Dictionary O

From WikiMD's Health & Wellness Encyclopedia


  • O Dictionary O - Among the ancients, O was a mark of triple time, from the notion that the ternary, or number 3, is the most perfect of numbers, and properly expressed by a circle, the most perfect figure.
  • O's Dictionary O - pleural of O.
  • Oes Dictionary O - pleural of O.
  • O' Dictionary O - A prefix to Irish family names, which signifies grandson or descendant of, and is a character of dignity; as, O'Neil, O'Carrol.
  • Oad Dictionary O - noun See Woad.
  • Oaf Dictionary O - noun Originally, an elf's child; a changeling left by fairies or goblins; hence, a deformed or foolish child; a simpleton; an idiot.
  • Oafish Dictionary O - adjective Like an oaf; simple.
  • Oak Dictionary O - noun Any tree or shrub of the genus Quercus. The oaks have alternate leaves, often variously lobed, and staminate flowers in catkins. The fruit is a smooth nut, called an acorn, which is more or less inclosed in a scaly involucre called the cup or cupule. There are now recognized about three hundred species, of which nearly fifty occur in the United States, the rest in Europe, Asia, and the other parts of North America, a very few barely reaching the northern parts of South America and Africa. Many of the oaks form forest trees of grand proportions and live many centuries. The wood is usually hard and tough, and provided with conspicuous medullary rays, forming the silver grain.
  • Oaken Dictionary O - adjective Made or consisting of oaks or of the wood of oaks.
  • Oaker Dictionary O - noun See Ocher.
  • Oakling Dictionary O - noun A young oak.
  • Oakum Dictionary O - noun The material obtained by untwisting and picking into loose fiber old hemp ropes; - used for calking the seams of ships, stopping leaks, etc.
  • Oaky Dictionary O - noun Resembling oak; strong.
  • Oar Dictionary O - n An implement for impelling a boat, being a slender piece of timber, usually ash or spruce, with a grip or handle at one end and a broad blade at the other. The part which rests in the rowlock is called the loom.
  • Oared Dictionary O - imperative & past particle of Oar.
  • Oaring Dictionary O - past particle & verb noun of Oar.
  • Oarfish Dictionary O - noun The ribbon fish.
  • Oarfoot Dictionary O - noun Any crustacean of the genus Remipes.
  • Oar-footed Dictionary O - adjective Having feet adapted for swimming.
  • Oarless Dictionary O - adjective Without oars.
  • Oarlock Dictionary O - noun The notch, fork, or other device on the gunwale of a boat, in which the oar rests in rowing. See Rowlock.
  • Oarsmen Dictionary O - pleural of Oarsman.
  • Oarsman Dictionary O - noun One who uses, or is skilled in the use of, an oar; a rower.
  • Oarsweed Dictionary O - noun Any large seaweed of the genus Laminaria; tangle; kelp. See Kelp.
  • Oary Dictionary O - adjective Having the form or the use of an oar; as, the swan's oary feet.
  • Oases Dictionary O - pleural of Oasis.
  • Oasis Dictionary O - noun A fertile or green spot in a waste or desert, esp. in a sandy desert.
  • Oast Dictionary O - noun A kiln to dry hops or malt; a cockle.
  • Oats Dictionary O - pleural of Oat.
  • Oat Dictionary O - noun A well-known cereal grass (Avena sativa), and its edible grain; - commonly used in the plural and in a collective sense.
  • Oatcake Dictionary O - noun A cake made of oatmeal.
  • Oaten Dictionary O - adjective Consisting of an oat straw or stem; as, an oaten pipe.
  • Oaths Dictionary O - pleural of Oath.
  • Oath Dictionary O - noun A solemn affirmation or declaration, made with a reverent appeal to God for the truth of what is affirmed.
  • Oathable Dictionary O - adjective Capable of having an oath administered to.
  • Oathbreaking Dictionary O - noun The violation of an oath; perjury.
  • Oatmeal Dictionary O - noun Meal made of oats.
  • Ob- Dictionary O - A prefix signifying to, toward, before, against, reversely, etc.; also, as a simple intensive; as in oblige, to bind to; obstacle, something standing before; object, lit., to throw against; obovate, reversely, ovate. Ob- is commonly assimilated before c, f, g, and p, to oc-, of-, og-, and op-.
  • Obcompressed Dictionary O - adjective Compressed or flattened antero-posteriorly, or in a way opposite to the usual one.
  • Obconic Dictionary O - adjective Alt. of Obconical.
  • Obconical Dictionary O - adjective Conical, but having the apex downward; inversely conical.
  • Obcordate Dictionary O - adjective Heart-shaped, with the attachment at the pointed end; inversely cordate: as, an obcordate petal or leaf.
  • Obdiplostemonous Dictionary O - adjective Having twice as many stamens as petals, those of the outer set being opposite the petals; - said of flowers.
  • Obdiplostemony Dictionary O - noun The condition of being obdiplostemonous.
  • Obdormition Dictionary O - noun Sleep.
  • Obduce Dictionary O - verb transitive To draw over, as a covering.
  • Obduct Dictionary O - verb transitive To draw over; to cover.
  • Obduction Dictionary O - noun The act of drawing or laying over, as a covering.
  • Obduracy Dictionary O - noun The duality or state of being obdurate; invincible hardness of heart; obstinacy.
  • Obdurate Dictionary O - adjective Hardened in feelings, esp. against moral or mollifying influences; unyielding; hard-hearted; stubbornly wicked.
  • Obduration Dictionary O - noun A hardening of the heart; hardness of heart.
  • Obdure Dictionary O - verb transitive To harden.
  • Obdured Dictionary O - adjective Obdurate; hard.
  • Obdureness Dictionary O - noun Alt. of Obduredness.
  • Obduredness Dictionary O - noun Hardness.
  • Obbe Dictionary O - noun See Obi.
  • Obeah Dictionary O - noun Same as Obi.
  • Obedible Dictionary O - adjective Obedient.
  • Obedience Dictionary O - noun The act of obeying, or the state of being obedient; compliance with that which is required by authority; subjection to rightful restraint or control.
  • Obedienciary Dictionary O - noun One yielding obedience.
  • Obedient Dictionary O - adjective Subject in will or act to authority; willing to obey; submissive to restraint, control, or command.
  • Obediential Dictionary O - adjective According to the rule of obedience.
  • Obediently Dictionary O - adverb In an obedient manner; with obedience.
  • Obeisance Dictionary O - noun Obedience.
  • Obeisancy Dictionary O - noun See Obeisance.
  • Obeisant Dictionary O - adjective Ready to obey; reverent; differential; also, servilely submissive.
  • Obelion Dictionary O - noun The region of the skull between the two parietal foramina where the closure of the sagittal suture usually begins.
  • Obeliscal Dictionary O - adjective Formed like an obelisk.
  • Obelisk Dictionary O - noun An upright, four-sided pillar, gradually tapering as it rises, and terminating in a pyramid called pyramidion. It is ordinarily monolithic. Egyptian obelisks are commonly covered with hieroglyphic writing from top to bottom.
  • Obelisked Dictionary O - imperative & past particle of Obelisk.
  • Obelisking Dictionary O - past particle & verb noun of Obelisk.
  • Obelized Dictionary O - imperative & past particle of Obelize.
  • Obelizing Dictionary O - past particle & verb noun of Obelize.
  • Obelize Dictionary O - verb transitive To designate with an obelus; to mark as doubtful or spirituous.
  • Obeli Dictionary O - pleural of Obelus.
  • Obelus Dictionary O - noun A mark thus /, or ; - so called as resembling a needle. In old MSS. or editions of the classics, it marks suspected passages or readings.
  • Obequitate Dictionary O - intransitive verb To ride about.
  • Oberon Dictionary O - noun The king of the fairies, and husband of Titania or Queen Mab.
  • Oberration Dictionary O - noun A wandering about.
  • Obese Dictionary O - adjective Excessively corpulent; fat; fleshy.
  • Obeseness Dictionary O - noun Quality of being obese; obesity.
  • Obesity Dictionary O - noun The state or quality of being obese; incumbrance of flesh.
  • Obeyed Dictionary O - imperative & past particle of Obey.
  • Obeying Dictionary O - past particle & verb noun of Obey.
  • Obey Dictionary O - verb transitive To give ear to; to execute the commands of; to yield submission to; to comply with the orders of.
  • Obeyer Dictionary O - noun One who yields obedience.
  • Obeyingly Dictionary O - adverb Obediently; submissively.
  • Obfirm Dictionary O - verb transitive Alt. of Obfirmate.
  • Obfirmate Dictionary O - verb transitive To make firm; to harden in resolution.
  • Obfirmation Dictionary O - noun Hardness of heart; obduracy.
  • Obfuscate Dictionary O - adjective Obfuscated; darkened; obscured.
  • Obfuscated Dictionary O - imperative & past particle of Obfuscate.
  • Obfuscating Dictionary O - past particle & verb noun of Obfuscate.
  • Obfuscation Dictionary O - noun The act of darkening or bewildering; the state of being darkened.
  • Obi Dictionary O - noun A species of sorcery, probably of African origin, practiced among the negroes of the West Indies.
  • Obimbricate Dictionary O - adjective Imbricated, with the overlapping ends directed downward.
  • Obit Dictionary O - noun Death; decease; the date of one's death.
  • Obiter Dictionary O - adverb In passing; incidentally; by the way.
  • Obitual Dictionary O - adjective Of or pertaining to obits, or days when obits are celebrated; as, obitual days.
  • Obituarily Dictionary O - adverb In the manner of an obituary.
  • Obiyuary Dictionary O - adjective Of or pertaining to the death of a person or persons; as, an obituary notice; obituary poetry.
  • Obituaries Dictionary O - pleural of Obituary.
  • Obituary Dictionary O - noun That which pertains to, or is called forth by, the obit or death of a person; esp., an account of a deceased person; a notice of the death of a person, accompanied by a biographical sketch.
  • Objected Dictionary O - imperative & past particle of Object.
  • Objecting Dictionary O - past particle & verb noun of Object.
  • Object Dictionary O - verb transitive To set before or against; to bring into opposition; to oppose.
  • Objectable Dictionary O - adjective Such as can be presented in opposition; that may be put forward as an objection.
  • Objectify Dictionary O - verb transitive To cause to become an object; to cause to assume the character of an object; to render objective.
  • Objection Dictionary O - noun The act of objecting; as, to prevent agreement, or action, by objection.
  • Objectionable Dictionary O - adjective Liable to objection; likely to be objected to or disapproved of; offensive; as, objectionable words.
  • Objectist Dictionary O - noun One who adheres to, or is skilled in, the objective philosophy.
  • Objectivate Dictionary O - verb transitive To objectify.
  • Objectivation Dictionary O - noun Converting into an object.
  • Objective Dictionary O - adjective Of or pertaining to an object.
  • Objectively Dictionary O - adverb In the manner or state of an object; as, a determinate idea objectively in the mind.
  • Objectiveness Dictionary O - noun Objectivity.
  • Objectivity Dictionary O - noun The state, quality, or relation of being objective; character of the object or of the objective.
  • Obectize Dictionary O - verb transitive To make an object of; to regard as an object; to place in the position of an object.
  • Objectless Dictionary O - adjective Having no object; purposeless.
  • Objector Dictionary O - noun One who objects; one who offers objections to a proposition or measure.
  • Objibways Dictionary O - noun plural See Chippeways.
  • Objicient Dictionary O - noun One who makes objection; an objector.
  • Objuration Dictionary O - noun A binding by oath.
  • Objurgated Dictionary O - imperative & past particle of Objurgate.
  • Objurgating Dictionary O - past particle & verb noun of Objurgate.
  • Objurgate Dictionary O - verb transitive To chide; to reprove.
  • Objurgation Dictionary O - noun The act of objurgating; reproof.
  • Objurgatory Dictionary O - adjective Designed to objurgate or chide; containing or expressing reproof; culpatory.
  • Oblanceolate Dictionary O - adjective Lanceolate in the reversed order, that is, narrowing toward the point of attachment more than toward the apex.
  • Oblate Dictionary O - adjective Flattened or depressed at the poles; as, the earth is an oblate spheroid.
  • Oblateness Dictionary O - noun The quality or state of being oblate.
  • Oblati Dictionary O - noun plural Children dedicated in their early years to the monastic state.
  • Oblation Dictionary O - noun The act of offering, or of making an offering.
  • Oblationer Dictionary O - noun One who makes an offering as an act worship or reverence.
  • Oblatrate Dictionary O - intransitive verb To bark or snarl, as a dog.
  • Oblatration Dictionary O - noun The act of oblatrating; a barking or snarling.
  • Oblata Dictionary O - pleural of Oblatum.
  • Oblatum Dictionary O - noun An oblate spheroid; a figure described by the revolution of an ellipse about its minor axis. Cf. Oblongum.
  • Oblectate Dictionary O - verb transitive To delight; to please greatly.
  • Oblectation Dictionary O - noun The act of pleasing highly; the state of being greatly pleased; delight.
  • Obligable Dictionary O - adjective Acknowledging, or complying with, obligation; trustworthy.
  • Obligated Dictionary O - imperative & past particle of Obligate.
  • Obligating Dictionary O - past particle & verb noun of Obligate.
  • Obligate Dictionary O - verb transitive To bring or place under obligation, moral or legal; to hold by a constraining motive.
  • Obligation Dictionary O - noun The act of obligating.
  • Obligato Dictionary O - adjective See Obbligato.
  • Obligatorily Dictionary O - adverb In an obligatory manner; by reason of obligation.
  • Obligatoriness Dictionary O - noun The quality or state of being obligatory.
  • Obligatory Dictionary O - adjective Binding in law or conscience; imposing duty or obligation; requiring performance or forbearance of some act; - often followed by on or upon; as, obedience is obligatory on a soldier.
  • Obliged Dictionary O - imperative & past particle of Oblige.
  • Obliging Dictionary O - past particle & verb noun of Oblige.
  • Oblige Dictionary O - verb transitive To attach, as by a bond.
  • Obligee Dictionary O - noun The person to whom another is bound, or the person to whom a bond is given.
  • Obligement Dictionary O - noun Obligation.
  • Obliger Dictionary O - noun One who, or that which, obliges.
  • Obligor Dictionary O - noun The person who binds himself, or gives his bond to another.
  • Obliquation Dictionary O - noun The act of becoming oblique; a turning to one side; obliquity; as, the obliquation of the eyes.
  • Oblique Dictionary O - adjective Not erect or perpendicular; neither parallel to, nor at right angles from, the base; slanting; inclined.
  • Obliqued Dictionary O - imperative & past particle of Oblique.
  • Obliquing Dictionary O - past particle & verb noun of Oblique.
  • Oblique-angled Dictionary O - adjective Having oblique angles; as, an oblique-angled triangle.
  • Obliquely Dictionary O - adverb In an oblique manner; not directly; indirectly.
  • Obliqueness Dictionary O - noun Quality or state of being oblique.
  • Obliquities Dictionary O - pleural of Obliquity.
  • Obliquity Dictionary O - noun The condition of being oblique; deviation from a right line; deviation from parallelism or perpendicularity; the amount of such deviation; divergence; as, the obliquity of the ecliptic to the equator.
  • Oblite Dictionary O - adjective Indistinct; slurred over.
  • Obliterated Dictionary O - imperative & past particle of Obliterate.
  • Obliterating Dictionary O - past particle & verb noun of Obliterate.
  • Obliterate Dictionary O - verb transitive To erase or blot out; to efface; to render undecipherable, as a writing.
  • Obliteration Dictionary O - noun The act of obliterating, or the state of being obliterated; extinction.
  • Obliterative Dictionary O - adjective Tending or serving to obliterate.
  • Oblivion Dictionary O - noun The act of forgetting, or the state of being forgotten; cessation of remembrance; forgetfulness.
  • Oblivious Dictionary O - adjective Promoting oblivion; causing forgetfulness.
  • Oblocutor Dictionary O - noun A disputer; a gainsayer.
  • Oblong Dictionary O - adjective Having greater length than breadth, esp. when rectangular.
  • Oblongata Dictionary O - noun The medulla oblongata.
  • Oblongatal Dictionary O - adjective Of or pertaining to the medulla oblongata; medullar.
  • Oblongish Dictionary O - adjective Somewhat oblong.
  • Oblongly Dictionary O - adverb In an oblong form.
  • Oblongness Dictionary O - noun State or quality of being oblong.
  • Oblong-ovate Dictionary O - adjective Between oblong and ovate, but inclined to the latter.
  • Oblonga Dictionary O - pleural of Oblongum.
  • Oblongum Dictionary O - noun A prolate spheroid; a figure described by the revolution of an ellipse about its greater axis. Cf. Oblatum, and see Ellipsoid of revolution, under Ellipsoid.
  • Obloquious Dictionary O - adjective Containing obloquy; reproachful.
  • Obloquy Dictionary O - noun Censorious speech; defamatory language; language that casts contempt on men or their actions; blame; reprehension.
  • Obluctation Dictionary O - noun A struggle against; resistance; opposition.
  • Obmutescence Dictionary O - noun A becoming dumb; loss of speech.
  • Obnoxious Dictionary O - adjective Subject; liable; exposed; answerable; amenable; - with to.
  • Obnubilate Dictionary O - verb transitive To cloud; to obscure.
  • Oboe Dictionary O - noun One of the higher wind instruments in the modern orchestra, yet of great antiquity, having a penetrating pastoral quality of tone, somewhat like the clarinet in form, but more slender, and sounded by means of a double reed; a hautboy.
  • Oboist Dictionary O - noun A performer on the oboe.
  • Obolary Dictionary O - adjective Possessing only small coins; impoverished.
  • Obole Dictionary O - noun A weight of twelve grains; or, according to some, of ten grains, or half a scruple.
  • Obolize Dictionary O - verb transitive See Obelize.
  • Obolo Dictionary O - noun A copper coin, used in the Ionian Islands, about one cent in value.
  • Oboli Dictionary O - pleural of Obolus.
  • Obolus Dictionary O - noun A small silver coin of Athens, the sixth part of a drachma, about three cents in value.
  • Obomegoid Dictionary O - adjective Obversely omegoid.
  • Oboval Dictionary O - adjective Obovate.
  • Obovate Dictionary O - adjective Inversely ovate; ovate with the narrow end downward; as, an obovate leaf.
  • Obreption Dictionary O - noun The act of creeping upon with secrecy or by surprise.
  • Obreptitious Dictionary O - adjective Done or obtained by surprise; with secrecy, or by concealment of the truth.
  • Obrogate Dictionary O - verb transitive To annul indirectly by enacting a new and contrary law, instead of by expressly abrogating or repealing the old one.
  • Obrok Dictionary O - noun A rent.
  • Obscene Dictionary O - a/ Offensive to chastity or modesty; expressing of presenting to the mind or view something which delicacy, purity, and decency forbid to be exposed; impure; as, obscene language; obscene pictures.
  • Obscenities Dictionary O - pleural of Obscenity.
  • Obscenity Dictionary O - noun That quality in words or things which presents what is offensive to chasity or purity of mind; obscene or impure lanquage or acts; moral impurity; lewdness; obsceneness; as, the obscenity of a speech, or a picture.
  • Obscurant Dictionary O - noun One who obscures; one who prevents enlightenment or hinders the progress of knowledge and wisdom.
  • Obscurantism Dictionary O - noun The system or the principles of the obscurants.
  • Obscurantist Dictionary O - noun Same as Obscurant.
  • Obscuration Dictionary O - verb transitive The act or operation of obscuring; the state of being obscured; as, the obscuration of the moon in an eclipse.
  • Obscure Dictionary O - superlative Covered over, shaded, or darkened; destitute of light; imperfectly illuminated; dusky; dim.
  • Obscured Dictionary O - imperative & past particle of Obscure.
  • Obscuring Dictionary O - past particle & verb noun of Obscure.
  • Obscurely Dictionary O - adverb In an obscure manner.
  • Obscurement Dictionary O - noun The act of obscuring, or the state of being obscured; obscuration.
  • Obscureness Dictionary O - noun Obscurity.
  • Obscurer Dictionary O - noun One who, or that which, obscures.
  • Obscurity Dictionary O - noun The quality or state of being obscure; darkness; privacy; inconspicuousness; unintelligibleness; uncertainty.
  • Obsecrated Dictionary O - imperative & past particle of Obsecrate.
  • Obsecrating Dictionary O - past particle & vb, noun of Obsecrate.
  • Obsecrate Dictionary O - verb transitive To beseech; to supplicate; to implore.
  • Obsecration Dictionary O - noun The act of obsecrating or imploring; as, the obsecrations of the Litany, being those clauses beginning with "By.".
  • Obsecratory Dictionary O - adjective Expressing, or used in, entreaty; supplicatory.
  • Obsequent Dictionary O - adjective Obedient; submissive; obsequious.
  • Obsequience Dictionary O - noun Obsequiousness.
  • Obsequies Dictionary O - noun plural See Obsequy.
  • Obsequious Dictionary O - adjective Promptly obedient, or submissive, to the will of another; compliant; yielding to the desires of another; devoted.
  • Obsequiously Dictionary O - adverb In an obsequious manner; compliantly; fawningly.
  • Obsequiousness Dictionary O - noun The quality or state of being obsequious.
  • Obsequy Dictionary O - noun The last duty or service to a person, rendered after his death; hence, a rite or ceremony pertaining to burial; - now used only in the plural.
  • Observable Dictionary O - adjective Worthy or capable of being observed; discernible; noticeable; remarkable.
  • Observance Dictionary O - noun The act or practice of observing or noticing with attention; a heeding or keeping with care; performance; - usually with a sense of strictness and fidelity; as, the observance of the Sabbath is general; the strict observance of duties.
  • Observancy Dictionary O - noun Observance.
  • Observanda Dictionary O - pleural of Observandum.
  • Observandum Dictionary O - noun A thing to be observed.
  • Observant Dictionary O - adjective Taking notice; viewing or noticing attentively; watchful; attentive; as, an observant spectator; observant habits.
  • Observantine Dictionary O - noun One of a branch of the Order of Franciscans, who profess to adhere more strictly than the Conventuals to the intention of the founder, especially as to poverty; - called also Observants.
  • Observantly Dictionary O - adverb In an observant manner.
  • Observation Dictionary O - noun The act or the faculty of observing or taking notice; the act of seeing, or of fixing the mind upon, anything.
  • Observational Dictionary O - adjective Of a pertaining to observation; consisting of, or containing, observations.
  • Observative Dictionary O - adjective Observing; watchful.
  • Observator Dictionary O - noun One who observes or takes notice.
  • Observatories Dictionary O - pleural of Observatory.
  • Observatory Dictionary O - noun A place or building for making observations on the heavenly bodies.
  • Observed Dictionary O - imperative & past particle of Observe.
  • Observing Dictionary O - past particle & verb noun of Observe.
  • Observe Dictionary O - verb transitive To take notice of by appropriate conduct; to conform one's action or practice to; to keep; to heed; to obey; to comply with; as, to observe rules or commands; to observe civility.
  • Observer Dictionary O - noun One who observes, or pays attention to, anything; especially, one engaged in, or trained to habits of, close and exact observation; as, an astronomical observer.
  • Observership Dictionary O - noun The office or work of an observer.
  • Obsess Dictionary O - verb transitive To besiege; to beset.
  • Obsession Dictionary O - noun The act of besieging.
  • Obsidian Dictionary O - noun A kind of glass produced by volcanoes. It is usually of a black color, and opaque, except in thin splinters.
  • Obsidional Dictionary O - adjective Of or pertaining to a siege.
  • Obsigillation Dictionary O - noun A sealing up.
  • Obsign Dictionary O - verb transitive To seal; to confirm, as by a seal or stamp.
  • Obsignate Dictionary O - verb transitive To seal; to ratify.
  • Obsignation Dictionary O - noun The act of sealing or ratifying; the state of being sealed or confirmed; confirmation, as by the Holy Spirit.
  • Obsignatory Dictionary O - adjective Ratifying; confirming by sealing.
  • Obsolesce Dictionary O - intransitive verb To become obsolescent.
  • Obsolescence Dictionary O - noun The state of becoming obsolete.
  • Obsolescent Dictionary O - adjective Going out of use; becoming obsolete; passing into desuetude.
  • Obsolete Dictionary O - adjective No longer in use; gone into disuse; disused; neglected; as, an obsolete word; an obsolete statute; - applied chiefly to words, writings, or observances.
  • Obsoletely Dictionary O - adverb In an obsolete manner.
  • Obsoleteness Dictionary O - noun The state of being obsolete, or no longer used; a state of desuetude.
  • Obsoletism Dictionary O - noun A disused word or phrase; an archaism.
  • Obstacle Dictionary O - verb That which stands in the way, or opposes; anything that hinders progress; a hindrance; an obstruction, physical or moral.
  • Obstancy Dictionary O - noun Opposition; impediment; obstruction.
  • Obstetric Dictionary O - adjective Alt. of Obstetrical.
  • Obstetrical Dictionary O - adjective Of or pertaining to midwifery, or the delivery of women in childbed; as, the obstetric art.
  • Obstetricate Dictionary O - intransitive verb To perform the office of midwife.
  • Obstetrication Dictionary O - noun The act of assisting as a midwife; delivery.
  • Obstetrician Dictionary O - noun One skilled in obstetrics; an accoucheur.
  • Obstetricious Dictionary O - adjective Serving to assist childbirth; obstetric; hence, facilitating any bringing forth or deliverance.
  • Obstetrics Dictionary O - noun The science of midwifery; the art of assisting women in parturition, or in the trouble incident to childbirth.
  • Obstetricy Dictionary O - noun Obstetrics.
  • Obstinacy Dictionary O - noun A fixedness in will, opinion, or resolution that can not be shaken at all, or only with great difficulty; firm and usually unreasonable adherence to an opinion, purpose, or system; unyielding disposition; stubborness; pertinacity; persistency; contumacy.
  • Obstinate Dictionary O - adjective Pertinaciously adhering to an opinion, purpose, or course; persistent; not yielding to reason, arguments, or other means; stubborn; pertinacious; - usually implying unreasonableness.
  • Obstination Dictionary O - noun Obstinacy; stubbornness.
  • Obstipation Dictionary O - noun The act of stopping up, as a passage.
  • Obstreperous Dictionary O - adjective Attended by, or making, a loud and tumultuous noise; clamorous; noisy; vociferous.
  • Obstriction Dictionary O - noun The state of being constrained, bound, or obliged; that which constrains or obliges; obligation; bond.
  • Obstringe Dictionary O - verb transitive To constrain; to put under obligation.
  • Obstructed Dictionary O - imperative & past particle of Obstruct.
  • Obstructing Dictionary O - past particle & verb noun of Obstruct.
  • Obstruct Dictionary O - verb transitive To block up; to stop up or close, as a way or passage; to place an obstacle in, or fill with obstacles or impediments that prevent or hinder passing; as, to obstruct a street; to obstruct the channels of the body.
  • Obstructer Dictionary O - noun One who obstructs or hinders.
  • Obstruction Dictionary O - noun The act of obstructing, or state of being obstructed.
  • Obstructionism Dictionary O - noun The act or the policy of obstructing progress.
  • Obstructionist Dictionary O - noun One who hinders progress; one who obstructs business, as in a legislative body.
  • Obstructive Dictionary O - adjective Tending to obstruct; presenting obstacles; hindering; causing impediment.
  • Obstruent Dictionary O - adjective Causing obstruction; blocking up; hindering; as, an obstruent medicine.
  • Obstupefaction Dictionary O - noun See Stupefaction.
  • Obstupefactive Dictionary O - adjective Stupefactive.
  • Obstupefy Dictionary O - verb transitive See Stupefy.
  • Obtained Dictionary O - imperative & past particle of Obtain.
  • Obtaining Dictionary O - past particle & verb noun of Obtain.
  • Obtain Dictionary O - verb transitive To hold; to keep; to possess.
  • Obtainable Dictionary O - adjective Capable of being obtained.
  • Obtainer Dictionary O - noun One who obtains.
  • Obtainment Dictionary O - noun The act or process of obtaining; attainment.
  • Obtected Dictionary O - adjective Covered; protected.
  • Obtemper Dictionary O - verb transitive & intransitive To obey (a judgment or decree).
  • Obtemperate Dictionary O - verb transitive To obey.
  • Obtended Dictionary O - imperative & past particle of Obtend.
  • Obtending Dictionary O - past particle & verb noun of Obtend.
  • Obtend Dictionary O - verb transitive To oppose; to hold out in opposition.
  • Obtenebration Dictionary O - noun The act of darkening; the state of being darkened; darkness.
  • Obtension Dictionary O - noun The act of obtending.
  • Obtested Dictionary O - imperative & past particle of Obtest.
  • Obtesting Dictionary O - past particle & verb noun of Obtest.
  • Obtest Dictionary O - verb transitive To call to witness; to invoke as a witness.
  • Obtestation Dictionary O - noun The act of obtesting; supplication; protestation.
  • Obtrectation Dictionary O - noun Slander; detraction; calumny.
  • Obtruded Dictionary O - imperative & past particle of Obtrude.
  • Obtruding Dictionary O - past particle & verb noun of Obtrude.
  • Obtrude Dictionary O - verb transitive To thrust impertinently; to present without warrant or solicitation; as, to obtrude one's self upon a company.
  • Obtruder Dictionary O - noun One who obtrudes.
  • Obtruncate Dictionary O - verb transitive To deprive of a limb; to lop.
  • Obtruncation Dictionary O - noun The act of lopping or cutting off.
  • Obtrusion Dictionary O - noun The act of obtruding; a thrusting upon others by force or unsolicited; as, the obtrusion of crude opinions on the world.
  • Obtrusionist Dictionary O - noun One who practices or excuses obtrusion.
  • Obtrusive Dictionary O - adjective Disposed to obtrude; inclined to intrude or thrust one's self or one's opinions upon others, or to enter uninvited; forward; pushing; intrusive.
  • Obtunded Dictionary O - imperative & past particle of Obtund.
  • Obtunding Dictionary O - past particle & verb noun of Obtund.
  • Obtund Dictionary O - verb transitive To reduce the edge, pungency, or violent action of; to dull; to blunt; to deaden; to quell; as, to obtund the acrimony of the gall.
  • Obtundent Dictionary O - noun A substance which sheathes a part, or blunts irritation, usually some bland, oily, or mucilaginous matter; - nearly the same as demulcent.
  • Obtunder Dictionary O - noun That which obtunds or blunts; especially, that which blunts sensibility.
  • Obturation Dictionary O - noun The act of stopping up, or closing, an opening.
  • Obturator Dictionary O - noun That which closes or stops an opening.
  • Obtusangular Dictionary O - adjective See Obstuseangular.
  • Obtuse Dictionary O - superlative Not pointed or acute; blunt; - applied esp. to angles greater than a right angle, or containing more than ninety degrees.
  • Obtuse-angled Dictionary O - adjective Alt. of obtuse-angular.
  • obtuse-angular Dictionary O - adjective Having an obtuse angle; as, an obtuse-angled triangle.
  • Obtusely Dictionary O - adverb In an obtuse manner.
  • Obtuseness Dictionary O - noun State or quality of being obtuse.
  • Obtusion Dictionary O - noun The act or process of making obtuse or blunt.
  • Obtusity Dictionary O - noun Obtuseness.
  • Obumbrant Dictionary O - adjective Overhanging; as, obumbrant feathers.
  • Obumbrate Dictionary O - verb transitive To shade; to darken; to cloud.
  • Obumbration Dictionary O - noun Act of darkening or obscuring.
  • Obuncous Dictionary O - adjective Hooked or crooked in an extreme degree.
  • Obvention Dictionary O - noun The act of happening incidentally; that which happens casually; an incidental advantage; an occasional offering.
  • Obversant Dictionary O - adjective Conversant; familiar.
  • Obverse Dictionary O - adjective Having the base, or end next the attachment, narrower than the top, as a leaf.
  • Obversely Dictionary O - adverb In an obverse manner.
  • Obversion Dictionary O - noun The act of turning toward or downward.
  • Obverted Dictionary O - imperative & past particle of Obvert.
  • Obverting Dictionary O - past particle & verb noun of Obvert.
  • Obvert Dictionary O - verb transitive To turn toward.
  • Obviated Dictionary O - imperative & past particle of Obviate.
  • Obviating Dictionary O - past particle & verb noun of Obviate.
  • Obviate Dictionary O - verb transitive To meet in the way.
  • Obviation Dictionary O - noun The act of obviating, or the state of being obviated.
  • Obvious Dictionary O - adjective Opposing; fronting.
  • Obvolute Dictionary O - adjective Alt. of Obvoluted.
  • Obvoluted Dictionary O - adjective Overlapping; contorted; convolute; - applied primarily, in botany, to two opposite leaves, each of which has one edge overlapping the nearest edge of the other, and secondarily to a circle of several leaves or petals which thus overlap.
  • Oby Dictionary O - noun See Obi.
  • Oca Dictionary O - noun A Peruvian name for certain species of Oxalis (O. crenata, and O. tuberosa) which bear edible tubers.
  • Occamy Dictionary O - noun An alloy imitating gold or silver.
  • Occasion Dictionary O - noun A falling out, happening, or coming to pass; hence, that which falls out or happens; occurrence; incident.
  • Occasioned Dictionary O - imperative & past particle of Occasion.
  • Occasioning Dictionary O - past particle & verb noun of Occasion.
  • Occasionable Dictionary O - adjective Capable of being occasioned or caused.
  • Occasional Dictionary O - adjective Of or pertaining to an occasion or to occasions; occuring at times, but not constant, regular, or systematic; made or happening as opportunity requires or admits; casual; incidental; as, occasional remarks, or efforts.
  • Occasionalism Dictionary O - noun The system of occasional causes; - a name given to certain theories of the Cartesian school of philosophers, as to the intervention of the First Cause, by which they account for the apparent reciprocal action of the soul and the body.
  • Occasionality Dictionary O - noun Quality or state of being occasional; occasional occurrence.
  • Occasionally Dictionary O - adverb In an occasional manner; on occasion; at times, as convenience requires or opportunity offers; not regularly.
  • Occasionate Dictionary O - verb transitive To occasion.
  • Occasioner Dictionary O - noun One who, or that which, occasions, causes, or produces.
  • Occasive Dictionary O - adjective Of or pertaining to the setting sun; falling; descending; western.
  • Occecation Dictionary O - noun The act of making blind, or the state of being blind.
  • Occident Dictionary O - noun The part of the horizon where the sun last appears in the evening; that part of the earth towards the sunset; the west; - opposed to orient. Specifically, in former times, Europe as opposed to Asia; now, also, the Western hemisphere.
  • Occidental Dictionary O - adjective Of, pertaining to, or situated in, the occident, or west; western; - opposed to oriental; as, occidental climates, or customs; an occidental planet.
  • Occidentals Dictionary O - noun plural Western Christians of the Latin rite. See Orientals.
  • Occiduous Dictionary O - adjective Western; occidental.
  • Occipital Dictionary O - adjective Of or pertaining to the occiput, or back part of the head, or to the occipital bone.
  • Occipito- Dictionary O - A combining form denoting relation to, or situation near, the occiput; as, occipito-axial; occipito-mastoid.
  • Occipitoaxial Dictionary O - adjective Of or pertaining to the occipital bone and second vertebra, or axis.
  • Occipita Dictionary O - pleural of Occiput.
  • Occiputs Dictionary O - pleural of Occiput.
  • Occiput Dictionary O - noun The back, or posterior, part of the head or skull; the region of the occipital bone.
  • Occision Dictionary O - noun A killing; the act of killing.
  • Occlude Dictionary O - verb transitive To shut up; to close.
  • Occludent Dictionary O - adjective Serving to close; shutting up.
  • Occluse Dictionary O - adjective Shut; closed.
  • Occlusion Dictionary O - noun The act of occluding, or the state of being occluded.
  • Occrustate Dictionary O - verb transitive To incrust; to harden.
  • Occult Dictionary O - adjective Hidden from the eye or the understanding; inviable; secret; concealed; unknown.
  • Occultation Dictionary O - noun The hiding of a heavenly body from sight by the intervention of some other of the heavenly bodies; - applied especially to eclipses of stars and planets by the moon, and to the eclipses of satellites of planets by their primaries.
  • Occulted Dictionary O - adjective Hidden; secret.
  • Occulting Dictionary O - noun Same as Occultation.
  • Occultism Dictionary O - noun A certain Oriental system of theosophy.
  • Occultist Dictionary O - noun An adherent of occultism.
  • Occultly Dictionary O - adverb In an occult manner.
  • Occultness Dictionary O - noun State or quality of being occult.
  • Occupancy Dictionary O - noun The act of taking or holding possession; possession; occupation.
  • Occupant Dictionary O - noun One who occupies, or takes possession; one who has the actual use or possession, or is in possession, of a thing.
  • Occupate Dictionary O - verb transitive To occupy.
  • Occupation Dictionary O - noun The act or process of occupying or taking possession; actual possession and control; the state of being occupied; a holding or keeping; tenure; use; as, the occupation of lands by a tenant.
  • Occupier Dictionary O - noun One who occupies, or has possession.
  • Occupied Dictionary O - imperative & past particle of Occupy.
  • Occupying Dictionary O - past particle & verb noun of Occupy.
  • Occupy Dictionary O - verb transitive To take or hold possession of; to hold or keep for use; to possess.
  • Occurred Dictionary O - imperative & past particle of Occur.
  • Occurring Dictionary O - past particle & verb noun of Occur.
  • Occur Dictionary O - intransitive verb To meet; to clash.
  • Occurrence Dictionary O - noun A coming or happening; as, the occurence of a railway collision.
  • Occurrent Dictionary O - adjective Occurring or happening; hence, incidental; accidental.
  • Occurse Dictionary O - noun Same as Occursion.
  • Occursion Dictionary O - noun A meeting; a clash; a collision.
  • Ocean Dictionary O - noun The whole body of salt water which covers more than three fifths of the surface of the globe; - called also the sea, or great sea.
  • Oceanic Dictionary O - adjective Of or pertaining to the ocean; found or formed in or about, or produced by, the ocean; frequenting the ocean, especially mid-ocean.
  • Oceanography Dictionary O - noun A description of the ocean.
  • Oceanology Dictionary O - noun That branch of science which relates to the ocean.
  • Oceanus Dictionary O - noun The god of the great outer sea, or the river which was believed to flow around the whole earth.
  • Ocellary Dictionary O - adjective Of or pertaining to ocelli.
  • Ocellate Dictionary O - adjective Same as Ocellated.
  • Ocellated Dictionary O - adjective Resembling an eye.
  • Ocelli Dictionary O - pleural of Ocellus.
  • Ocellus Dictionary O - noun A little eye; a minute simple eye found in many invertebrates.
  • Oceloid Dictionary O - adjective Resembling the ocelot.
  • Ocelot Dictionary O - noun An American feline carnivore (Felis pardalis). It ranges from the Southwestern United States to Patagonia. It is covered with blackish ocellated spots and blotches, which are variously arranged. The ground color varies from reddish gray to tawny yellow.
  • Ocher Dictionary O - noun Alt. of Ochre.
  • Ochre Dictionary O - noun A impure earthy ore of iron or a ferruginous clay, usually red (hematite) or yellow (limonite), #NAME?.
  • Ocherous Dictionary O - adjective Alt. of Ochreous.
  • Ochreous Dictionary O - adjective Of or pertaining to ocher; containing or resembling ocher; as, ocherous matter; ocherous soil.
  • Ochery Dictionary O - adjective Ocherous.
  • Ochimy Dictionary O - noun See Occamy.
  • Ochlesis Dictionary O - noun A general morbid condition induced by the crowding together of many persons, esp. sick persons, under one roof.
  • Ochlocracy Dictionary O - noun A form of government by the multitude; a mobocracy.
  • Ochlocratic Dictionary O - adjective Alt. of Ochlocratical.
  • Ochlocratical Dictionary O - adjective Of or pertaining to ochlocracy; having the form or character of an ochlocracy; mobocratic.
  • Ochraceous Dictionary O - adjective Ocherous.
  • Ochreaee Dictionary O - pleural of Ochrea.
  • Ochrea Dictionary O - noun A greave or legging.
  • Ochreate Dictionary O - adjective Alt. of Ochreated.
  • Ochreated Dictionary O - adjective Wearing or furnished with an ochrea or legging; wearing boots; booted.
  • Ochrey Dictionary O - adjective See Ochery.
  • Ochroleucous Dictionary O - adjective Yellowish white; having a faint tint of dingy yellow.
  • Ochry Dictionary O - adjective See Ochery.
  • Ochymy Dictionary O - noun See Occamy.
  • -ock Dictionary O - A suffix used to form diminutives; as, bullock, hillock.
  • Ocra Dictionary O - noun See Okra.
  • Ocrea Dictionary O - noun See Ochrea.
  • Ocreate Dictionary O - adjective Alt. of Ocreated.
  • Ocreated Dictionary O - adjective Same as Ochreate, Ochreated.
  • Octa- Dictionary O - A prefix meaning eight. See Octo-.
  • Octachord Dictionary O - noun An instrument of eight strings; a system of eight tones.
  • Octad Dictionary O - noun An atom or radical which has a valence of eight, or is octavalent.
  • Octaedral Dictionary O - adjective See Octahedral.
  • Octaemeron Dictionary O - noun A fast of eight days before a great festival.
  • Octagon Dictionary O - noun A plane figure of eight sides and eight angles.
  • Octagonal Dictionary O - adjective Having eight sides and eight angles.
  • Octagynous Dictionary O - adjective Having eight pistils or styles; octogynous.
  • Octahedral Dictionary O - adjective Having eight faces or sides; of, pertaining to, or formed in, octahedrons; as, octahedral cleavage.
  • Octahedrite Dictionary O - noun Titanium dioxide occurring in acute octahedral crystals.
  • Octahedron Dictionary O - noun A solid bounded by eight faces. The regular octahedron is contained by eight equal equilateral triangles.
  • Octamerous Dictionary O - adjective Having the parts in eights; as, an octamerous flower; octamerous mesenteries in polyps.
  • Octameter Dictionary O - noun A verse containing eight feet; as, -//Deep# in|to# the | dark#ness | peer#ing, | long# I | stood# there | wond'#ring, | fear#ing.
  • Octander Dictionary O - noun One of the Octandria.
  • Octandria Dictionary O - noun plural A Linnaean class of plants, in which the flowers have eight stamens not united to one another or to the pistil.
  • Octandrian Dictionary O - adjective Alt. of Octandrous.
  • Octandrous Dictionary O - adjective Of or pertaining to the Octandria; having eight distinct stamens.
  • Octane Dictionary O - noun Any one of a group of metametric hydrocarcons (C8H18) of the methane series. The most important is a colorless, volatile, inflammable liquid, found in petroleum, and a constituent of benzene or ligroin.
  • Octangular Dictionary O - adjective Having eight angles; eight-angled.
  • Octant Dictionary O - noun The eighth part of a circle; an arc of 45 degrees.
  • Octapla Dictionary O - singular A portion of the Old Testament prepared by Origen in the 3d century, containing the Hebrew text and seven Greek versions of it, arranged in eight parallel columns.
  • Octaroon Dictionary O - noun See Octoroon.
  • Octastyle Dictionary O - adjective See Octostyle.
  • Octateuch Dictionary O - noun A collection of eight books; especially, the first eight books of the Old Testament.
  • Octavalent Dictionary O - adjective Having a valence of eight; capable of being combined with, exchanged for, or compared with, eight atoms of hydrogen; - said of certain atoms or radicals.
  • Octave Dictionary O - noun The eighth day after a church festival, the festival day being included; also, the week following a church festival.
  • Octavos Dictionary O - pleural of Octavo.
  • Octavo Dictionary O - noun A book composed of sheets each of which is folded into eight leaves; hence, indicating more or less definitely a size of book so made; - usually written 8vo or 8.
  • Octene Dictionary O - noun Same as Octylene.
  • Octennial Dictionary O - adjective Happening every eighth year; also, lasting a period of eight years.
  • Octet Dictionary O - noun A composition for eight parts, usually for eight solo instruments or voices.
  • Octic Dictionary O - adjective Of the eighth degree or order.
  • Octile Dictionary O - noun Same as Octant, 2.
  • Octillion Dictionary O - noun According to the French method of numeration (which method is followed also in the United States) the number expressed by a unit with twenty-seven ciphers annexed. According to the English method, the number expressed by a unit with forty-eight ciphers annexed. See Numeration.
  • Octo- Dictionary O - Alt. of Octa-.
  • Octoate Dictionary O - noun A salt of an octoic acid; a caprylate.
  • October Dictionary O - noun The tenth month of the year, containing thirty-one days.
  • Octocera Dictionary O - noun plural Octocerata.
  • Octocerata Dictionary O - noun plural A suborder of Cephalopoda including Octopus, Argonauta, and allied genera, having eight arms around the head; - called also Octopoda.
  • Octochord Dictionary O - noun See Octachord.
  • Octodecimo Dictionary O - adjective Having eighteen leaves to a sheet; as, an octodecimo form, book, leaf, size, etc.
  • Octodecimos Dictionary O - pleural of Octodecimo.
  • Octodentate Dictionary O - adjective Having eight teeth.
  • Octodont Dictionary O - adjective Of or pertaining to the Octodontidae, a family of rodents which includes the coypu, and many other South American species.
  • Octoedrical Dictionary O - adjective See Octahedral.
  • Octofid Dictionary O - adjective Cleft or separated into eight segments, as a calyx.
  • Octogamy Dictionary O - noun A marrying eight times.
  • Octogenarian Dictionary O - noun A person eighty years, or more, of age.
  • Octogenary Dictionary O - adjective Of eighty years of age.
  • Octogild Dictionary O - noun A pecuniary compensation for an injury, of eight times the value of the thing.
  • Octogonal Dictionary O - adjective See Octagonal.
  • Octogynia Dictionary O - noun plural A Linnaean order of plants having eight pistils.
  • Octogynian Dictionary O - adjective Alt. of Octogynous.
  • Octogynous Dictionary O - adjective Having eight pistils; octagynous.
  • Octoic Dictionary O - adjective Pertaining to, derived from, or resembling, octane; - used specifically, to designate any one of a group of acids, the most important of which is called caprylic acid.
  • Octolocular Dictionary O - adjective Having eight cells for seeds.
  • Octonaphthene Dictionary O - noun A colorless liquid hydrocarbon of the octylene series, occurring in Caucasian petroleum.
  • Octonary Dictionary O - adjective Of or pertaining to the number eight.
  • Octonocular Dictionary O - adjective Having eight eyes.
  • Octopede Dictionary O - noun An animal having eight feet, as a spider.
  • Octopetalous Dictionary O - adjective Having eight petals or flower leaves.
  • Octopod Dictionary O - noun One of the Octocerata.
  • Octopoda Dictionary O - noun plural Same as Octocerata.
  • Octopodia Dictionary O - noun plural Same as Octocerata.
  • Octopus Dictionary O - noun A genus of eight-armed cephalopods, including numerous species, some of them of large size. See Devilfish,.
  • Octoradiated Dictionary O - adjective Having eight rays.
  • Octoroon Dictionary O - noun The offspring of a quadroon and a white person; a mestee.
  • Octospermous Dictionary O - adjective Containing eight seeds.
  • Octostichous Dictionary O - adjective In eight vertical ranks, as leaves on a stem.
  • Octostyle Dictionary O - adjective Having eight columns in the front; - said of a temple or portico. The Parthenon is octostyle, but most large Greek temples are hexastele. See Hexastyle.
  • Octosyllabic Dictionary O - adjective Alt. of Octosyllabical.
  • Octosyllabical Dictionary O - adjective Consisting of or containing eight syllables.
  • Octosyllable Dictionary O - adjective Octosyllabic.
  • Octoyl Dictionary O - noun A hypothetical radical (C8H15O), regarded as the essential residue of octoic acid.
  • Octroi Dictionary O - noun A privilege granted by the sovereign authority, as the exclusive right of trade granted to a guild or society; a concession.
  • Octuor Dictionary O - noun See Octet.
  • Octuple Dictionary O - adjective Eightfold.
  • Octyl Dictionary O - noun A hypothetical hydrocarbon radical regarded as an essential residue of octane, and as entering into its derivatives; as, octyl alcohol.
  • Octylene Dictionary O - noun Any one of a series of metameric hydrocarbons (C8H16) of the ethylene series. In general they are combustible, colorless liquids.
  • Octylic Dictionary O - adjective Pertaining to, derived from, or containing, octyl; as, octylic ether.
  • Ocular Dictionary O - adjective Depending on, or perceived by, the eye; received by actual sight; personally seeing or having seen; as, ocular proof.
  • Ocularly Dictionary O - adverb By the eye, or by actual sight.
  • Oculary Dictionary O - adjective Of or pertaining to the eye; ocular; optic; as, oculary medicines.
  • Oculate Dictionary O - adjective Alt. of Oculated.
  • Oculated Dictionary O - adjective Furnished with eyes.
  • Oculiform Dictionary O - adjective In the form of an eye; resembling an eye; as, an oculiform pebble.
  • Oculina Dictionary O - noun A genus of tropical corals, usually branched, and having a very volid texture.
  • Oculinacea Dictionary O - noun plural A suborder of corals including many reef-building species, having round, starlike calicles.
  • Oculist Dictionary O - noun One skilled in treating diseases of the eye.
  • Oculo- Dictionary O - A combining form from L. oculus the eye.
  • Oculomotor Dictionary O - adjective Of or pertaining to the movement of the eye; - applied especially to the common motor nerves (or third pair of cranial nerves) which supply many of the muscles of the orbit.
  • Oculonasal Dictionary O - adjective Of or pertaining to the region of the eye and the nose; as, the oculonasal, or nasal, nerve, one of the branches of the ophthalmic.
  • Oculi Dictionary O - pleural of Oculus.
  • Oculus Dictionary O - noun An eye; (Bot.) a leaf bud.
  • Ocypodian Dictionary O - noun One of a tribe of crabs which live in holes in the sand along the seashore, and run very rapidly, - whence the name.
  • Od Dictionary O - noun An alleged force or natural power, supposed, by Reichenbach and others, to produce the phenomena of mesmerism, and to be developed by various agencies, as by magnets, heat, light, chemical or vital action, etc.; - called also odyle or the odylic force.
  • Odalisque Dictionary O - noun A female slave or concubine in the harem of the Turkish sultan.
  • Odd Dictionary O - superlative Not paired with another, or remaining over after a pairing; without a mate; unmatched; single; as, an odd shoe; an odd glove.
  • Odd Fellow Dictionary O - A member of a secret order, or fraternity, styled the Independent Order of Odd Fellows, established for mutual aid and social enjoyment.
  • Oddities Dictionary O - pleural of Oddity.
  • Oddity Dictionary O - noun The quality or state of being odd; singularity; queerness; peculiarity; as, oddity of dress, manners, and the like.
  • Oddly Dictionary O - adverb In an odd manner; unevently.
  • Oddness Dictionary O - noun The state of being odd, or not even.
  • Odds Dictionary O - adjective Difference in favor of one and against another; excess of one of two things or numbers over the other; inequality; advantage; superiority; hence, excess of chances; probability.
  • Ode Dictionary O - noun A short poetical composition proper to be set to music or sung; a lyric poem; esp., now, a poem characterized by sustained noble sentiment and appropriate dignity of style.
  • Odelet Dictionary O - noun A little or short ode.
  • Odeon Dictionary O - noun A kind of theater in ancient Greece, smaller than the dramatic theater and roofed over, in which poets and musicians submitted their works to the approval of the public, and contended for prizes; - hence, in modern usage, the name of a hall for musical or dramatic performances.
  • Odeum Dictionary O - noun See Odeon.
  • Odible Dictionary O - adjective Fitted to excite hatred; hateful.
  • Odic Dictionary O - adjective Of or pertaining to od. See Od.
  • Odin Dictionary O - noun The supreme deity of the Scandinavians; - the same as Woden, of the German tribes.
  • Odinic Dictionary O - adjective Of or pertaining to Odin.
  • Odious Dictionary O - adjective Hateful; deserving or receiving hatred; as, an odious name, system, vice.
  • Odist Dictionary O - noun A writer of an ode or odes.
  • Odium Dictionary O - noun Hatred; dislike; as, his conduct brought him into odium, or, brought odium upon him.
  • Odized Dictionary O - imperative & past particle of Odize.
  • Odizing Dictionary O - past particle & verb noun of Odize.
  • Odize Dictionary O - verb transitive To charge with od. See Od.
  • Odmyl Dictionary O - noun A volatile liquid obtained by boiling sulphur with linseed oil. It has an unpleasant garlic odor.
  • Odometer Dictionary O - noun An instrument attached to the wheel of a vehicle, to measure the distance traversed; also, a wheel used by surveyors, which registers the miles and rods traversed.
  • Odometrical Dictionary O - adjective Of or pertaining to the odometer, or to measurements made with it.
  • Odometrous Dictionary O - adjective Serving to measure distance on a road.
  • Odometry Dictionary O - noun Measurement of distances by the odometer.
  • Odonata Dictionary O - noun plural The division of insects that includes the dragon flies.
  • Odontalgia Dictionary O - noun Toothache.
  • Odontalgic Dictionary O - adjective Of or pertaining to odontalgia.
  • Odontalgy Dictionary O - noun Same as Odontalgia.
  • Odontiasis Dictionary O - noun Cutting of the teeth; dentition.
  • Odonto- Dictionary O - A combining form from Gr. 'odoy`s, 'odo`ntos, a tooth.
  • Odontoblast Dictionary O - noun One of the more or less columnar cells on the outer surface of the pulp of a tooth; an odontoplast. They are supposed to be connected with the formation of dentine.
  • Odontocete Dictionary O - noun plural A subdivision of Cetacea, including the sperm whale, dolphins, etc.; the toothed whales.
  • Odontogeny Dictionary O - noun Generetion, or mode of development, of the teeth.
  • Odontograph Dictionary O - noun An instrument for marking or laying off the outlines of teeth of gear wheels.
  • Odontographic Dictionary O - adjective Of or pertaining to odontography.
  • Odontography Dictionary O - noun A description of the teeth.
  • Odontoid Dictionary O - adjective Having the form of a tooth; toothlike.
  • Odontolcae Dictionary O - noun plural An extinct order of ostrichlike aquatic birds having teeth, which are set in a groove in the jaw. It includes Hesperornis, and allied genera. See Hesperornis.
  • Odontolite Dictionary O - noun A fossil tooth colored a bright blue by phosphate of iron. It is used as an imitation of turquoise, and hence called bone turquoise.
  • Odontology Dictionary O - noun The science which treats of the teeth, their structure and development.
  • Odontophora Dictionary O - noun plural Same as Cephalophora.
  • Odontophore Dictionary O - noun A special structure found in the mouth of most mollusks, except bivalves. It consists of several muscles and a cartilage which supports a chitinous radula, or lingual ribbon, armed with teeth. Also applied to the radula alone. See Radula.
  • Odontophorous Dictionary O - adjective Having an odontophore.
  • Odontoplast Dictionary O - noun An odontoblast.
  • Odontopteryx Dictionary O - noun An extinct Eocene bird having the jaws strongly serrated, or dentated, but destitute of true teeth. It was found near London.
  • Odontornithes Dictionary O - noun plural A group of Mesozoic birds having the jaws armed with teeth, as in most other vertebrates. They have been divided into three orders: Odontolcae, Odontotormae, and Saururae.
  • Odontostomatous Dictionary O - adjective Having toothlike mandibles; - applied to certain insects.
  • Odontotormae Dictionary O - noun plural An order of extinct toothed birds having the teeth in sockets, as in the genus Ichthyornis. See Ichthyornis.
  • Odor Dictionary O - noun Any smell, whether fragrant or offensive; scent; perfume.
  • Odorament Dictionary O - noun A perfume; a strong scent.
  • Odorant Dictionary O - adjective Yielding odors; fragrant.
  • Odorate Dictionary O - adjective Odorous.
  • Odorating Dictionary O - adjective Diffusing odor or scent; fragrant.
  • Odoriferous Dictionary O - adjective Bearing or yielding an odor; perfumed; usually, sweet of scent; fragrant; as, odoriferous spices, particles, fumes, breezes.
  • Odorline Dictionary O - noun A pungent oily substance obtained by redistilling bone oil.
  • Odorless Dictionary O - adjective Free from odor.
  • Odorous Dictionary O - adjective Having or emitting an odor or scent, esp. a sweet odor; fragrant; sweet-smelling.
  • Ods Dictionary O - interjection A corruption of God's; - formerly used in oaths and ejaculatory phrases.
  • Odyl Dictionary O - noun Alt. of Odyle.
  • Odyle Dictionary O - noun See Od. Archaic.
  • Odylic Dictionary O - adjective Of or pertaining to odyle; odic; as, odylic force.
  • Odyssey Dictionary O - noun An epic poem attributed to Homer, which describes the return of Ulysses to Ithaca after the siege of Troy.
  • Oe Dictionary O - a diphthong, employed in the Latin language, and thence in the English language, as the representative of the Greek diphthong oi. In many words in common use, e alone stands instead of /. Classicists prefer to write the diphthong oe separate in Latin words.
  • Oecoid Dictionary O - noun The colorless porous framework, or stroma, of red blood corpuscles from which the zooid, or hemoglobin and other substances of the corpuscles, may be dissolved out.
  • Oecology Dictionary O - noun The various relations of animals and plants to one another and to the outer world.
  • Oeconomical Dictionary O - adjective See Economical.
  • Oeconomics Dictionary O - noun See Economics.
  • Oeconomy Dictionary O - noun See Economy.
  • Oecumenical Dictionary O - adjective See Ecumenical.
  • Oedema Dictionary O - noun A swelling from effusion of watery fluid in the cellular tissue beneath the skin or mucous membrance; dropsy of the subcutaneous cellular tissue.
  • Oedematous Dictionary O - adjective Pertaining to, or of the nature of, edema; affected with edema.
  • Oeiliad Dictionary O - noun Alt. of Oeillade.
  • Oeillade Dictionary O - noun A glance of the eye; an amorous look.
  • Oelet Dictionary O - noun An eye, bud, or shoot, as of a plant; an oilet.
  • Oenanthate Dictionary O - noun A salt of the supposed /nanthic acid.
  • Oenanthic Dictionary O - adjective Having, or imparting, the odor characteristic of the bouquet of wine; specifically used, formerly, to designate an acid whose ethereal salts were supposed to occasion the peculiar bouquet, or aroma, of old wine. Cf. Oenanthylic.
  • Oenanthol Dictionary O - noun An oily substance obtained by the distillation of castor oil, recognized as the aldehyde of oenanthylic acid, and hence called also oenanthaldehyde.
  • Oenanthone Dictionary O - noun The ketone of oenanthic acid.
  • Oenanthyl Dictionary O - noun A hydrocarbon radical formerly supposed to exist in oenanthic acid, now known to be identical with heptyl.
  • Oenanthylate Dictionary O - noun A salt of /nanthylic acid; as, potassium oenanthylate.
  • Oenanthylic Dictionary O - adjective Pertaining to, derived from, or containing, oenanthyl; specifically, designating an acid formerly supposed to be identical with the acid in oenanthic ether, but now known to be identical with heptoic acid.
  • Oenanthylidene Dictionary O - noun A colorless liquid hydrocarbon, having a garlic odor; heptine.
  • Oenanthylous Dictionary O - adjective Of, pertaining to, or designating, an acid formerly supposed to be the acid of oenanthylic ether, but now known to be a mixture of higher acids, especially capric acid.
  • Oenocyan Dictionary O - noun The coloring matter of red wines.
  • Oenology Dictionary O - noun Knowledge of wine, scientific or practical.
  • Oenomania Dictionary O - noun Delirium tremens.
  • Oenomel Dictionary O - noun Wine mixed with honey; mead,.
  • Oenometer Dictionary O - noun See Alcoholometer.
  • Oenophilist Dictionary O - noun A lover of wine.
  • Oenothionic Dictionary O - adjective Pertaining to an acid now called sulphovinic, / ethyl sulphuric, acid.
  • O'er Dictionary O - preparticle & adverb A contr. of Over.
  • Oesophagus Dictionary O - adjective Alt. of Oesophageal.
  • Oesophageal Dictionary O - adjective Same as Esophagus, Esophageal, etc.
  • Oestrian Dictionary O - adjective Of or pertaining to the gadflies.
  • Oestrual Dictionary O - adjective Of or pertaining to sexual desire; - mostly applied to brute animals; as, the oestrual period; oestrual influence.
  • Oestruation Dictionary O - noun The state of being under oestrual influence, or of having sexual desire.
  • Oestrus Dictionary O - noun A genus of gadflies. The species which deposits its larvae in the nasal cavities of sheep is oestrus ovis.
  • Of Dictionary O - preposition In a general sense, from, or out from; proceeding from; belonging to; relating to; concerning; - used in a variety of applications; as:.
  • Off Dictionary O - adverb In a general sense, denoting from or away from; as:.
  • Offal Dictionary O - noun The rejected or waste parts of a butchered animal.
  • Offcut Dictionary O - noun That which is cut off.
  • Offence Dictionary O - noun See Offense.
  • Offended Dictionary O - imperative & past particle of Offend.
  • Offending Dictionary O - past particle & verb noun of Offend.
  • Offend Dictionary O - verb transitive To strike against; to attack; to assail.
  • Odfend Dictionary O - intransitive verb To transgress the moral or divine law; to commit a crime; to stumble; to sin.
  • Offendant Dictionary O - noun An offender.
  • Offender Dictionary O - noun One who offends; one who violates any law, divine or human; a wrongdoer.
  • Offendress Dictionary O - noun A woman who offends.
  • Offense Dictionary O - noun Alt. of Offence.
  • Offenseful Dictionary O - adjective Causing offense; displeasing; wrong; as, an offenseful act.
  • Offenseless Dictionary O - adjective Unoffending; inoffensive.
  • Offensible Dictionary O - adjective That may give offense.
  • Offension Dictionary O - noun Assault; attack.
  • Offensive Dictionary O - adjective Giving offense; causing displeasure or resentment; displeasing; annoying; as, offensive words.
  • Offered Dictionary O - imperative & past particle of Offer.
  • Offering Dictionary O - past particle & verb noun of Offer.
  • Offer Dictionary O - verb transitive To present, as an act of worship; to immolate; to sacrifice; to present in prayer or devotion; - often with up.
  • Offerable Dictionary O - adjective Capable of being offered; suitable or worthy to be offered.
  • Offerer Dictionary O - noun One who offers; esp., one who offers something to God in worship.
  • Offertories Dictionary O - pleural of Offertory.
  • Offertory Dictionary O - noun The act of offering, or the thing offered.
  • Offerture Dictionary O - noun Offer; proposal; overture.
  • Offhand Dictionary O - adjective Instant; ready; extemporaneous; as, an offhand speech; offhand excuses.
  • Office Dictionary O - noun That which a person does, either voluntarily or by appointment, for, or with reference to, others; customary duty, or a duty that arises from the relations of man to man; as, kind offices, pious offices.
  • Officeholder Dictionary O - noun An officer, particularly one in the civil service; a placeman.
  • Officer Dictionary O - noun One who holds an office; a person lawfully invested with an office, whether civil, military, or ecclesiastical; as, a church officer; a police officer; a staff officer.
  • Officered Dictionary O - imperative & past particle of Officer.
  • Officering Dictionary O - past particle & verb noun of Officer.
  • Official Dictionary O - noun Of or pertaining to an office or public trust; as, official duties, or routine.
  • Officialism Dictionary O - noun The state of being official; a system of official government; also, adherence to office routine; red-tapism.
  • Officialily Dictionary O - noun See Officialty.
  • Officially Dictionary O - adverb By the proper officer; by virtue of the proper authority; in pursuance of the special powers vested in an officer or office; as, accounts or reports officially vertified or rendered; letters officially communicated; persons officially notified.
  • Officialty Dictionary O - noun The charge, office, court, or jurisdiction of an official.
  • Officiant Dictionary O - noun The officer who officiates or performs an office, as the burial office.
  • Officiary Dictionary O - adjective Of or pertaining to an office or an officer; official.
  • Officiated Dictionary O - imperative & past particle of Officiate.
  • Officiating Dictionary O - past particle & verb noun of Officiate.
  • Officiate Dictionary O - intransitive verb To act as an officer in performing a duty; to transact the business of an office or public trust; to conduct a public service.
  • Officiator Dictionary O - noun One who officiates.
  • Officinal Dictionary O - adjective Used in a shop, or belonging to it.
  • Officious Dictionary O - adjective Pertaining to, or being in accordance with, duty.
  • Offing Dictionary O - noun That part of the sea at a good distance from the shore, or where there is deep water and no need of a pilot; also, distance from the shore; as, the ship had ten miles offing; we saw a ship in the offing.
  • Offish Dictionary O - adjective Shy or distant in manner.
  • Offlet Dictionary O - noun A pipe to let off water.
  • Offscouring Dictionary O - noun That which is scoured off; hence, refuse; rejected matter; that which is vile or despised.
  • Offscum Dictionary O - noun Removed scum; refuse; dross.
  • Offset Dictionary O - noun In general, that which is set off, from, before, or against, something.
  • Offsetting Dictionary O - past particle & verb noun of Offset.
  • Offshoot Dictionary O - noun That which shoots off or separates from a main stem, channel, family, race, etc.; as, the offshoots of a tree.
  • Offshore Dictionary O - adjective From the shore; as, an offshore wind; an offshore signal.
  • Offskip Dictionary O - noun That part of a landscape which recedes from the spectator into distance.
  • Offspring Dictionary O - [[n.sing. & plural The act of production; generation.
  • Offuscate Dictionary O - Alt. of Offuscation.
  • Offuscation Dictionary O - See Obfuscate, Obfuscation.
  • Oft Dictionary O - adverb Often; frequently; not rarely; many times.
  • Often Dictionary O - adverb Frequently; many times; not seldom.
  • Oftenness Dictionary O - noun Frequency.
  • Oftensith Dictionary O - adverb Frequently; often.
  • Oftentide Dictionary O - adverb Frequently; often.
  • Oftentimes Dictionary O - adverb Frequently; often; many times.
  • Ofter Dictionary O - adverb Compar. of Oft.
  • Ofttimes Dictionary O - adverb Frequently; often.
  • Ogam Dictionary O - noun Same as Ogham.
  • Ogdoad Dictionary O - noun A thing made up of eight parts.
  • Ogdoastich Dictionary O - noun A poem of eight lines.
  • Ogee Dictionary O - noun A molding, the section of which is the form of the letter S, with the convex part above; cyma reversa. See Illust. under Cyma.
  • Ogeechee lime Dictionary O - The acid, olive-shaped, drupaceous fruit of a species of tupelo (Nyssa capitata) which grows in swamps in Georgia and Florida.
  • Ogganition Dictionary O - noun Snarling; grumbling.
  • Ogham Dictionary O - noun A particular kind of writing practiced by the ancient Irish, and found in inscriptions on stones, metals, etc.
  • Ogive Dictionary O - noun The arch or rib which crosses a Gothic vault diagonally.
  • Ogled Dictionary O - imperative & past particle of Ogle.
  • Ogling Dictionary O - past particle & verb noun of Ogle.
  • Ogle Dictionary O - verb transitive To view or look at with side glances, as in fondness, or with a design to attract notice.
  • Ogler Dictionary O - noun One who ogles.
  • Oglio Dictionary O - noun See Olio.
  • Ogre Dictionary O - noun An imaginary monster, or hideous giant of fairy tales, who lived on human beings; hence, any frightful giant; a cruel monster.
  • Ogreish Dictionary O - adjective Resembling an ogre; having the character or appearance of an ogre; suitable for an ogre.
  • Ogress Dictionary O - noun A female ogre.
  • Ogreism Dictionary O - noun Alt. of Ogrism.
  • Ogrism Dictionary O - noun The character or manners of an ogre.
  • Ogygian Dictionary O - adjective Of or pertaining to Ogyges, a mythical king of ancient Attica, or to a great deluge in Attica in his days; hence, primeval; of obscure antiquity.
  • Oh Dictionary O - interjection An exclamation expressing various emotions, according to the tone and manner, especially surprise, pain, sorrow, anxiety, or a wish. See the Note under O.
  • Ohm Dictionary O - noun The standard unit in the measure of electrical resistance, being the resistance of a circuit in which a potential difference of one volt produces a current of one ampere. As defined by the International Electrical Congress in 1893, and by United States Statute, it is a resistance substantially equal to 109 units of resistance of the C.G.S. system of electro-magnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice 14.4521 grams in mass, of a constant cross-sectional area, and of the length of 106.3 centimeters. As thus defined it is called the international ohm.
  • Oho Dictionary O - interjection An exclamation of surprise, etc.
  • -oid Dictionary O - A suffix or combining form meaning like, resembling, in the form of; as in anthropoid, asteroid, spheroid.
  • Oidium Dictionary O - noun A genus of minute fungi which form a floccose mass of filaments on decaying fruit, etc. Many forms once referred to this genus are now believed to be temporary conditions of fungi of other genera, among them the vine mildew (Oidium Tuckeri), which has caused much injury to grapes.
  • Oil Dictionary O - noun Any one of a great variety of unctuous combustible substances, not miscible with water; as, olive oil, whale oil, rock oil, etc. They are of animal, vegetable, or mineral origin and of varied composition, and they are variously used for food, for solvents, for anointing, lubrication, illumination, etc. By extension, any substance of an oily consistency; as, oil of vitriol.
  • Oiled Dictionary O - imperative & past particle of Oil.
  • Oiling Dictionary O - past particle & verb noun of Oil.
  • Oilbird Dictionary O - noun See Guacharo.
  • Oilcloth Dictionary O - noun Cloth treated with oil or paint, and used for marking garments, covering floors, etc.
  • Oiler Dictionary O - noun One who deals in oils.
  • Oilery Dictionary O - noun The business, the place of business, or the goods, of a maker of, or dealer in, oils.
  • Oiliness Dictionary O - noun The quality of being oily.
  • Oillet Dictionary O - noun A small opening or loophole, sometimes circular, used in mediaeval fortifications.
  • Oilmen Dictionary O - pleural of Oilman.
  • Oilman Dictionary O - noun One who deals in oils; formerly, one who dealt in oils and pickles.
  • Oilnut Dictionary O - noun The buffalo nut. See Buffalo nut, under Buffalo.
  • Oilseed Dictionary O - noun Seed from which oil is expressed, as the castor bean; also, the plant yielding such seed. See Castor bean.
  • Oilskin Dictionary O - noun Cloth made waterproof by oil.
  • Oilstone Dictionary O - noun A variety of hone slate, or whetstone, used for whetting tools when lubricated with oil.
  • Oily Dictionary O - superlative Consisting of oil; containing oil; having the nature or qualities of oil; unctuous; oleaginous; as, oily matter or substance.
  • Oinement Dictionary O - noun Ointment.
  • Oinomania Dictionary O - noun See oenomania.
  • Ointed Dictionary O - imperative & past particle of Oint.
  • Ointing Dictionary O - particle pr & verb noun of Oint.
  • Oint Dictionary O - verb transitive To anoint.
  • Ointment Dictionary O - noun That which serves to anoint; any soft unctuous substance used for smearing or anointing; an unguent.
  • Ojibways Dictionary O - noun plural Same as Chippeways.
  • Ojo Dictionary O - noun A spring, surrounded by rushes or rank grass; an oasis.
  • Oke Dictionary O - noun A Turkish and Egyptian weight, equal to about 2/ pounds.
  • Okenite Dictionary O - noun A massive and fibrous mineral of a whitish color, chiefly hydrous silicate of lime.
  • Oker Dictionary O - noun See Ocher.
  • Okra Dictionary O - noun An annual plant (Abelmoschus, / Hibiscus, esculentus), whose green pods, abounding in nutritious mucilage, are much used for soups, stews, or pickles; gumbo.
  • -ol Dictionary O - A suffix denoting that the substance in the name of which it appears belongs to the series of alcohols or hydroxyl derivatives, as carbinol, glycerol, etc.
  • Olay Dictionary O - noun plural Palm leaves, prepared for being written upon with a style pointed with steel.
  • Old Dictionary O - noun Open country.
  • Olden Dictionary O - adjective Old; ancient; as, the olden time.
  • Old-fashioned Dictionary O - adjective Formed according to old or obsolete fashion or pattern; adhering to old customs or ideas; as, an old-fashioned dress, girl.
  • Old-gentlemanly Dictionary O - adjective Pertaining to an old gentleman, or like one.
  • Oldish Dictionary O - adjective Somewhat old.
  • Old lang syne Dictionary O - See Auld lang syne.
  • Old-maidish Dictionary O - adjective Like an old maid; prim; precise; particular.
  • Old-maidism Dictionary O - noun The condition or characteristics of an old maid.
  • Oldness Dictionary O - noun The state or quality of being old; old age.
  • Oldster Dictionary O - noun An old person.
  • Old-womanish Dictionary O - adjective Like an old woman; anile.
  • Olea Dictionary O - noun A genus of trees including the olive.
  • Oleaceous Dictionary O - adjective Of, pertaining to, or resembling, a natural order of plants (Oleaceae), mostly trees and shrubs, of which the olive is the type. It includes also the ash, the lilac, the true jasmine, and fringe tree.
  • Oleaginous Dictionary O - adjective Having the nature or qualities of oil; oily; unctuous.
  • Oleaginousness Dictionary O - noun Oiliness.
  • Oleamen Dictionary O - noun A soft ointment prepared from oil.
  • Oleander Dictionary O - noun A beautiful evergreen shrub of the Dogbane family, having clusters of fragrant red or white flowers. It is native of the East Indies, but the red variety has become common in the south of Europe. Called also rosebay, rose laurel, and South-sea rose.
  • Oleandrine Dictionary O - noun One of several alkaloids found in the leaves of the oleander.
  • Oleaster Dictionary O - noun The wild olive tree (Olea Europea, var. sylvestris).
  • Oleate Dictionary O - noun A salt of oleic acid. Some oleates, as the oleate of mercury, are used in medicine by way of inunction.
  • Olecranal Dictionary O - adjective Of or pertaining to the olecranon.
  • Olecranon Dictionary O - noun The large process at the proximal end of the ulna which projects behind the articulation with the humerus and forms the bony prominence of the elbow.
  • Olefiant Dictionary O - adjective Forming or producing an oil; specifically, designating a colorless gaseous hydrocarbon called ethylene.
  • Olefine Dictionary O - noun Olefiant gas, or ethylene; hence, by extension, any one of the series of unsaturated hydrocarbons of which ethylene is a type. See Ethylene.
  • Oleic Dictionary O - adjective Pertaining to, derived from, or contained in, oil; as, oleic acid, an acid of the acrylic acid series found combined with glyceryl in the form of olein in certain animal and vegetable fats and oils, such as sperm oil, olive oil, etc. At low temperatures the acid is crystalline, but melts to an oily liquid above 14/ C.
  • Oleiferous Dictionary O - adjective Producing oil; as, oleiferous seeds.
  • Olein Dictionary O - noun A fat, liquid at ordinary temperatures, but solidifying at temperatures below 0 C., found abundantly in both the animal and vegetable kingdoms (see Palmitin). It dissolves solid fats, especially at 30-40 C. Chemically, olein is a glyceride of oleic acid; and, as three molecules of the acid are united to one molecule of glyceryl to form the fat, it is technically known as triolein. It is also called elain.
  • Olent Dictionary O - adjective Scented.
  • Oleograph Dictionary O - noun The form or figure assumed by a drop of oil when placed upon water or some other liquid with which it does not mix.
  • Oleomargarine Dictionary O - noun A liquid oil made from animal fats (esp. beef fat) by separating the greater portion of the solid fat or stearin, by crystallization. It is mainly a mixture of olein and palmitin with some little stearin.
  • Oleometer Dictionary O - noun An instrument for ascertaining the weight and purity of oil; an elaiometer.
  • Oleone Dictionary O - noun An oily liquid, obtained by distillation of calcium oleate, and probably consisting of the ketone of oleic acid.
  • Oleoptene Dictionary O - noun See Eleoptene.
  • Oleoresin Dictionary O - noun A natural mixture of a terebinthinate oil and a resin.
  • Oleose Dictionary O - adjective Alt. of Oleous.
  • Oleous Dictionary O - adjective Oily.
  • Oleosity Dictionary O - noun The state or quality of being oily or fat; fatness.
  • Oleraceous Dictionary O - adjective Pertaining to pot herbs; of the nature or having the qualities of herbs for cookery; esculent.
  • Olf Dictionary O - noun The European bullfinch.
  • Olfaction Dictionary O - noun The sense by which the impressions made on the olfactory organs by the odorous particles in the atmosphere are perceived.
  • Olfactive Dictionary O - adjective See Olfactory, a.
  • Olfactor Dictionary O - noun A smelling organ; a nose.
  • Olfactory Dictionary O - adjective Of, pertaining to, or connected with, the sense of smell; as, the olfactory nerves; the olfactory cells.
  • Olfactories Dictionary O - pleural of Olfactory.
  • Oliban Dictionary O - noun See Olibanum.
  • Olibanum Dictionary O - noun The fragrant gum resin of various species of Boswellia; Oriental frankincense.
  • Olibene Dictionary O - noun A colorless mobile liquid of a pleasant aromatic odor obtained by the distillation of olibanum, or frankincense, and regarded as a terpene; - called also conimene.
  • Olid Dictionary O - adjective Alt. of Olidous.
  • Olidous Dictionary O - adjective Having a strong, disagreeable smell; fetid.
  • Olifant Dictionary O - noun An elephant.
  • Oligandrous Dictionary O - adjective Having few stamens.
  • Oliganthous Dictionary O - adjective Having few flowers.
  • Oligarch Dictionary O - noun A member of an oligarchy; one of the rulers in an oligarchical government.
  • Oligarchal Dictionary O - adjective Oligarchic.
  • Oligarchic Dictionary O - adjective Alt. of Oligarchical.
  • Oligarchical Dictionary O - adjective Of or pertaining to oligarchy, or government by a few.
  • Oligarchist Dictionary O - noun An advocate or supporter of oligarchy.
  • Oligarchies Dictionary O - pleural of Oligarchy.
  • Oligarchy Dictionary O - noun A form of government in which the supreme power is placed in the hands of a few persons; also, those who form the ruling few.
  • Oligist Dictionary O - adjective Hematite or specular iron ore; - prob. so called in allusion to its feeble magnetism, as compared with magnetite.
  • Oligistic Dictionary O - adjective Of or pertaining to hematite.
  • Oligo- Dictionary O - A combining form from Gr. /, few, little, small.
  • Oligocene Dictionary O - adjective Of, pertaining to, or designating, certain strata which occupy an intermediate position between the Eocene and Miocene periods.
  • Oligochaeta Dictionary O - noun plural An order of Annelida which includes the earthworms and related species.
  • Oligochete Dictionary O - adjective Of or pertaining to the Oligochaeta.
  • Oligoclase Dictionary O - noun A triclinic soda-lime feldspar. See Feldspar.
  • Oligomerous Dictionary O - adjective Having few members in each set of organs; as, an oligomerous flower.
  • Oligomyold Dictionary O - adjective Having few or imperfect syringeal muscles; - said of some passerine birds (Oligomyodi).
  • Oligopetalous Dictionary O - adjective Having few petals.
  • Oligosepalous Dictionary O - adjective Having few sepals.
  • Oligosiderite Dictionary O - noun A meteorite characterized by the presence of but a small amount of metallic iron.
  • Oligospermous Dictionary O - adjective Having few seeds.
  • Oligotokous Dictionary O - adjective Producing few young.
  • Olio Dictionary O - noun A dish of stewed meat of different kinds.
  • Olitory Dictionary O - adjective Of or pertaining to, or produced in, a kitchen garden; used for kitchen purposes; as, olitory seeds.
  • Oliva Dictionary O - noun A genus of polished marine gastropod shells, chiefly tropical, and often beautifully colored.
  • Olivaceous Dictionary O - adjective Resembling the olive; of the color of the olive; olive-green.
  • Olivary Dictionary O - adjective Like an olive.
  • Olivaster Dictionary O - adjective Of the color of the olive; tawny.
  • Olive Dictionary O - noun A tree (Olea Europaea) with small oblong or elliptical leaves, axillary clusters of flowers, and oval, one-seeded drupes. The tree has been cultivated for its fruit for thousands of years, and its branches are the emblems of peace. The wood is yellowish brown and beautifully variegated.
  • Olived Dictionary O - adjective Decorated or furnished with olive trees.
  • Olivenite Dictionary O - noun An olive-green mineral, a hydrous arseniate of copper; olive ore.
  • Oliver Dictionary O - noun An olive grove.
  • Oliverian Dictionary O - noun An adherent of Oliver Cromwell.
  • Olivewood Dictionary O - noun The wood of the olive.
  • Olivil Dictionary O - noun A white crystalline substance, obtained from an exudation from the olive, and having a bitter-sweet taste and acid proporties.
  • Olivin Dictionary O - noun A complex bitter gum, found on the leaves of the olive tree; - called also olivite.
  • Olivine Dictionary O - noun A common name of the yellowish green mineral chrysolite, esp. the variety found in eruptive rocks.
  • Olivite Dictionary O - noun See Olivin.
  • Olla Dictionary O - noun A pot or jar having a wide mouth; a cinerary urn, especially one of baked clay.
  • Olla-podrida Dictionary O - noun A favorite Spanish dish, consisting of a mixture of several kinds of meat chopped fine, and stewed with vegetables.
  • Ology Dictionary O - noun A colloquial or humorous name for any science or branch of knowledge.
  • Olpe Dictionary O - noun Originally, a leather flask or vessel for oils or liquids; afterward, an earthenware vase or pitcher without a spout.
  • Olusatrum Dictionary O - noun An umbelliferous plant, the common Alexanders of Western Europe (Smyrnium Olusatrum).
  • Olympiad Dictionary O - noun A period of four years, by which the ancient Greeks reckoned time, being the interval from one celebration of the Olympic games to another, beginning with the victory of Cor/bus in the foot race, which took place in the year 776 b.c.; as, the era of the olympiads.
  • Olympian Dictionary O - adjective Alt. of Olympic.
  • Olympic Dictionary O - adjective Of or pertaining to Olympus, a mountain of Thessaly, fabled as the seat of the gods, or to Olympia, a small plain in Elis.
  • Olympionic Dictionary O - noun An ode in honor of a victor in the Olympic games.
  • -oma Dictionary O - A suffix used in medical terms to denote a morbid condition of some part, usually some kind of tumor; as in fibroma, glaucoma.
  • Omagra Dictionary O - noun Gout in the shoulder.
  • Omahas Dictionary O - noun plural A tribe of Indians who inhabited the south side of the Missouri River. They are now partly civilized and occupy a reservation in Nebraska.
  • Omander wood Dictionary O - The wood of Diospyros ebenaster, a kind of ebony found in Ceylon.
  • Omasum Dictionary O - noun The third division of the stomach of ruminants. See Manyplies, and Illust. under Ruminant.
  • Omber Dictionary O - noun Alt. of Ombre.
  • Ombre Dictionary O - noun A game at cards, borrowed from the Spaniards, and usually played by three persons.
  • Ombrometer Dictionary O - noun An instrument for measuring the rain that falls; a rain gauge.
  • Omega Dictionary O - noun The last letter of the Greek alphabet. See Alpha.
  • Omegoid Dictionary O - adjective Having the form of the Greek capital letter Omega (/).
  • Omelet Dictionary O - noun Eggs beaten up with a little flour, etc., and cooked in a frying pan; as, a plain omelet.
  • Omen Dictionary O - noun An occurrence supposed to portend, or show the character of, some future event; any indication or action regarded as a foreshowing; a foreboding; a presage; an augury.
  • Omened Dictionary O - imperative & past particle of Omen.
  • Omening Dictionary O - past particle & verb noun of Omen.
  • Omental Dictionary O - adjective Of or pertaining to an omentum or the omenta.
  • Omenta Dictionary O - pleural of Omentum.
  • Omentum Dictionary O - noun A free fold of the peritoneum, or one serving to connect viscera, support blood vessels, etc.; an epiploon.
  • Omer Dictionary O - noun A Hebrew measure, the tenth of an ephah. See Ephah.
  • Omiletical Dictionary O - adjective Homiletical.
  • Ominate Dictionary O - verb transitive & intransitive To presage; to foreshow; to foretoken.
  • Omination Dictionary O - noun The act of ominating; presaging.
  • Ominous Dictionary O - adjective Of or pertaining to an omen or to omens; being or exhibiting an omen; significant; portentous; - formerly used both in a favorable and unfavorable sense; now chiefly in the latter; foreboding or foreshowing evil; inauspicious; as, an ominous dread.
  • Omissible Dictionary O - adjective Capable of being omitted; that may be omitted.
  • Omission Dictionary O - noun The act of omitting; neglect or failure to do something required by propriety or duty.
  • Omissive Dictionary O - adjective Leaving out; omitting.
  • Omitted Dictionary O - imperative & past particle of Omit.
  • Omitting Dictionary O - past particle & verb noun of Omit.
  • Omit Dictionary O - verb transitive To let go; to leave unmentioned; not to insert or name; to drop.
  • Omittance Dictionary O - noun The act of omitting, or the state of being omitted; forbearance; neglect.
  • Omitter Dictionary O - noun One who omits.
  • Ommateal Dictionary O - adjective Of or pertaining to an ommateum.
  • Ommatea Dictionary O - pleural of Ommateum.
  • Ommateum Dictionary O - noun A compound eye, as of insects and crustaceans.
  • Ommatidia Dictionary O - pleural of Ommatidium.
  • Ommatidium Dictionary O - noun One of the single eyes forming the compound eyes of crustaceans, insects, and other invertebrates.
  • Omni- Dictionary O - A combining form denoting all, every, everywhere; as in omnipotent, all-powerful; omnipresent.
  • Omnibus Dictionary O - noun A long four-wheeled carriage, having seats for many people; especially, one with seats running lengthwise, used in conveying passengers short distances.
  • Omnicorporeal Dictionary O - adjective Comprehending or including all bodies; embracing all substance.
  • Omniety Dictionary O - noun That which is all-pervading or all-comprehensive; hence, the Deity.
  • Omnifarious Dictionary O - adjective Of all varieties, forms, or kinds.
  • Omniferous Dictionary O - adjective All-bearing; producing all kinds.
  • Omnific Dictionary O - adjective All-creating.
  • Omniform Dictionary O - adjective Having every form or shape.
  • Omniformity Dictionary O - noun The condition or quality of having every form.
  • Omnify Dictionary O - verb transitive To render universal; to enlarge.
  • Omnigenous Dictionary O - adjective Consisting of all kinds.
  • Omnigraph Dictionary O - noun A pantograph.
  • Omniparient Dictionary O - adjective Producing or bringing forth all things; all-producing.
  • Omniparity Dictionary O - noun Equality in every part; general equality.
  • Omniparous Dictionary O - adjective Producing all things; omniparient.
  • Omnipatient Dictionary O - adjective Capable of enduring all things.
  • Omnipercipience Dictionary O - noun Alt. of Omnipercipiency.
  • Omnipercipiency Dictionary O - noun Perception of everything.
  • Omnipercipient Dictionary O - adjective Perceiving everything.
  • Omnipotence Dictionary O - noun Alt. of Omnipotency.
  • Omnipotency Dictionary O - noun The state of being omnipotent; almighty power; hence, one who is omnipotent; the Deity.
  • Omnipotent Dictionary O - adjective Able in every respect and for every work; unlimited in ability; all-powerful; almighty; as, the Being that can create worlds must be omnipotent.
  • Omnipotently Dictionary O - adverb In an omnipotent manner.
  • Omnipresence Dictionary O - noun Presence in every place at the same time; unbounded or universal presence; ubiquity.
  • Omnipresency Dictionary O - noun Omnipresence.
  • Omnipresent Dictionary O - adjective Present in all places at the same time; ubiquitous; as, the omnipresent Jehovah.
  • Omnipresential Dictionary O - adjective Implying universal presence.
  • Omniprevalent Dictionary O - adjective Prevalent everywhere or in all things.
  • Omniscience Dictionary O - noun The quality or state of being omniscient; - an attribute peculiar to God.
  • Omnisciency Dictionary O - noun Omniscience.
  • Omniscient Dictionary O - adjective Having universal knowledge; knowing all things; infinitely knowing or wise; as, the omniscient God.
  • Omniscious Dictionary O - adjective All-knowing.
  • Omnispective Dictionary O - adjective Beholding everything; capable of seeing all things; all-seeing.
  • Omnium Dictionary O - noun The aggregate value of the different stocks in which a loan to government is now usually funded.
  • Omnium-gatherum Dictionary O - noun A miscellaneous collection of things or persons; a confused mixture; a medley.
  • Omnivagant Dictionary O - adjective Wandering anywhere and everywhere.
  • Omnivora Dictionary O - noun plural A group of ungulate mammals including the hog and the hippopotamus. The term is also sometimes applied to the bears, and to certain passerine birds.
  • Omnivorous Dictionary O - adjective All-devouring; eating everything indiscriminately; as, omnivorous vanity; esp. (Zool.), eating both animal and vegetable food.
  • Omo- Dictionary O - A combining form used in anatomy to indicate connection with, or relation to, the shoulder or the scapula.
  • Omohyoid Dictionary O - adjective Of or pertaining to the shoulder and the hyoid bone; as, the omohyoid muscle.
  • Omophagic Dictionary O - adjective Eating raw flesh; using uncooked meat as food; as, omophagic feasts, rites.
  • Omoplate Dictionary O - noun The shoulder blade, or scapula.
  • Omostegite Dictionary O - noun The part of the carapace of a crustacean situated behind the cervical groove.
  • Omosternal Dictionary O - adjective Of or pertaining to the omosternum.
  • Omosternum Dictionary O - noun The anterior element of the sternum which projects forward from between the clavicles in many batrachians and is usually tipped with cartilage.
  • Omphacine Dictionary O - adjective Of, pertaining to, or expressed from, unripe fruit; as, omphacine oil.
  • Omphalic Dictionary O - adjective Of or pertaining to the umbilicus, or navel.
  • Omphalo- Dictionary O - A combining form indicating connection with, or relation to, the umbilicus, or navel.
  • Omphalocele Dictionary O - noun A hernia at the navel.
  • Omphalode Dictionary O - noun The central part of the hilum of a seed, through which the nutrient vessels pass into the rhaphe or the chalaza; - called also omphalodium.
  • Omphalomancy Dictionary O - noun Divination by means of a child's navel, to learn how many children the mother may have.
  • Omphalomesaraic Dictionary O - adjective Omphalomesenteric.
  • Omphalomesenteric Dictionary O - adjective Of or pertaining to the umbilicus and mesentery; omphalomesaraic; as, the omphalomesenteric arteries and veins of a fetus.
  • Omphalopsychite Dictionary O - noun A name of the Hesychasts, from their habit of gazing upon the navel.
  • Omphalopter Dictionary O - noun Alt. of Omphaloptic.
  • Omphaloptic Dictionary O - noun An optical glass that is convex on both sides.
  • Omphalos Dictionary O - noun The navel.
  • Omphalotomy Dictionary O - noun The operation of dividing the navel-string.
  • Omy Dictionary O - adjective Mellow, as land.
  • On Dictionary O - preposition The general signification of on is situation, motion, or condition with respect to contact or support beneath.
  • Onagri Dictionary O - pleural of Onager.
  • Onagers Dictionary O - pleural of Onager.
  • Onager Dictionary O - noun A military engine acting like a sling, which threw stones from a bag or wooden bucket, and was operated by machinery.
  • Onagga Dictionary O - noun The dauw.
  • Onagraceous Dictionary O - adjective Alt. of Onagrarieous.
  • Onagrarieous Dictionary O - adjective Pertaining to, or resembling, a natural order of plants (Onagraceae or Onagrarieae), which includes the fuchsia, the willow-herb (Epilobium), and the evening primrose (/nothera).
  • Onanism Dictionary O - noun Self-pollution; masturbation.
  • Onappo Dictionary O - noun A nocturnal South American monkey (Callithrix discolor), noted for its agility; - called also ventriloquist monkey.
  • Ince Dictionary O - noun The ounce.
  • Once Dictionary O - adverb By limitation to the number one; for one time; not twice nor any number of times more than one.
  • Oncidium Dictionary O - noun A genus of tropical orchidaceous plants, the flower of one species of which (O. Papilio) resembles a butterfly.
  • Oncograph Dictionary O - noun An instrument for registering the changes observable with an oncometer.
  • Oncometer Dictionary O - noun An instrument for measuring the variations in size of the internal organs of the body, as the kidney, spleen, etc.
  • Oncotomy Dictionary O - noun The opening of an abscess, or the removal of a tumor, with a cutting instrument.
  • Onde Dictionary O - noun Hatred; fury; envy.
  • On dit Dictionary O - They say, or it is said.
  • -one Dictionary O - A suffix indicating that the substance, in the name of which it appears, is a ketone; as, acetone.
  • One Dictionary O - adjective Being a single unit, or entire being or thing, and no more; not multifold; single; individual.
  • Oneberry Dictionary O - noun The herb Paris. See Herb Paris, under Herb.
  • One-hand Dictionary O - adjective Employing one hand; as, the one-hand alphabet. See Dactylology.
  • One-horse Dictionary O - adjective Drawn by one horse; having but a single horse; as, a one-horse carriage.
  • Oneidas Dictionary O - noun plural A tribe of Indians formerly inhabiting the region near Oneida Lake in the State of New York, and forming part of the Five Nations. Remnants of the tribe now live in New York, Canada, and Wisconsin.
  • Oneirocritic Dictionary O - adjective An interpreter of dreams.
  • Oneirocritical Dictionary O - adjective Of or pertaining to the interpretation of dreams.
  • Oneirocriticism Dictionary O - noun Alt. of Oneirocritics.
  • Oneirocritics Dictionary O - noun The art of interpreting dreams.
  • Oneiromancy Dictionary O - noun Divination by means of dreams.
  • Oneiroscopist Dictionary O - noun One who interprets dreams.
  • Oneiroscopy Dictionary O - noun The interpretation of dreams.
  • Oneliness Dictionary O - noun The state of being one or single.
  • Onely Dictionary O - adjective See Only.
  • Onement Dictionary O - noun The state of being at one or reconciled.
  • Oneness Dictionary O - noun The state of being one; singleness in number; individuality; unity.
  • Onerary Dictionary O - adjective Fitted for, or carrying, a burden.
  • Onerated Dictionary O - imperative & past particle of Onerate.
  • Onerating Dictionary O - past particle & verb noun of Onerate.
  • Onerate Dictionary O - verb transitive To load; to burden.
  • Oneration Dictionary O - noun The act of loading.
  • Onerous Dictionary O - adjective Burdensome; oppressive.
  • Onerously Dictionary O - adverb In an onerous manner.
  • Ones Dictionary O - adverb Once.
  • Oneself Dictionary O - pronoun A reflexive form of the indefinite pronoun one. Commonly writen as two words, one's self.
  • One-sided Dictionary O - adjective Having one side only, or one side prominent; hence, limited to one side; partial; unjust; unfair; as, a one-sided view or statement.
  • Onethe Dictionary O - adverb Scarcely. See Unnethe.
  • Ongoing Dictionary O - noun The act of going forward; progress; (pl.) affairs; business; current events.
  • Onguent Dictionary O - noun An unguent.
  • On-hanger Dictionary O - noun A hanger-on.
  • Onion Dictionary O - noun A liliaceous plant of the genus Allium (A. cepa), having a strong-flavored bulb and long hollow leaves; also, its bulbous root, much used as an article of food. The name is often extended to other species of the genus.
  • Onirocritic Dictionary O - adjective See Oneirocritic.
  • Onliness Dictionary O - noun The state of being alone.
  • Onloft Dictionary O - adverb Aloft; above ground.
  • On-looker Dictionary O - noun A looker-on.
  • On-looking Dictionary O - adjective Looking on or forward.
  • Only Dictionary O - adjective One alone; single; as, the only man present; his only occupation.
  • Onocerin Dictionary O - noun A white crystalline waxy substance extracted from the root of the leguminous plant Ononis spinosa.
  • Onology Dictionary O - noun Foolish discourse.
  • Onomancy Dictionary O - noun Divination by the letters of a name; nomancy.
  • Onomantic Dictionary O - adjective Alt. of Onomantical.
  • Onomantical Dictionary O - adjective Of or pertaining to onomancy.
  • Onomastic Dictionary O - adjective Applied to a signature when the body of the instrument is in another's handwriting.
  • Onomasticon Dictionary O - noun A collection of names and terms; a dictionary; specif., a collection of Greek names, with explanatory notes, made by Julius Pollux about A.D.180.
  • Onomatechny Dictionary O - noun Prognostication by the letters of a name.
  • Onomatologist Dictionary O - noun One versed in the history of names.
  • Onomatology Dictionary O - noun The science of names or of their classification.
  • Onomatope Dictionary O - noun An imitative word; an onomatopoetic word.
  • Onomatopoeia Dictionary O - noun The formation of words in imitation of sounds; a figure of speech in which the sound of a word is imitative of the sound of the thing which the word represents; as, the buzz of bees; the hiss of a goose; the crackle of fire.
  • Onomatopoeic Dictionary O - adjective Onomatopoetic.
  • Onomatopoetic Dictionary O - adjective Of or pertaining to onomatopoeia; characterized by onomatopoeia; imitative; as, an onomatopoetic writer or word.
  • Onomatopy Dictionary O - noun Onomatopoeia.
  • Onomomancy Dictionary O - noun See Onomancy.
  • Onondagas Dictionary O - noun plural A tribe of Indians formerly inhabiting what is now a part of the State of New York. They were the central or head tribe of the Five Nations.
  • Onrush Dictionary O - noun A rushing onward.
  • Onset Dictionary O - noun A rushing or setting upon; an attack; an assault; a storming; especially, the assault of an army.
  • Onslaught Dictionary O - noun An attack; an onset; esp., a furious or murderous attack or assault.
  • Onstead Dictionary O - noun A single farmhouse; a steading.
  • Onto Dictionary O - preposition On the top of; upon; on. See On to, under On, prep.
  • Ontogenesis Dictionary O - noun Alt. of Ontogeny.
  • Ontogeny Dictionary O - noun The history of the individual development of an organism; the history of the evolution of the germ; the development of an individual organism, - in distinction from phylogeny, or evolution of the tribe. Called also henogenesis, henogeny.
  • Ontogenetic Dictionary O - adjective Of or pertaining to ontogenesis; as, ontogenetic phenomena.
  • Ontogenic Dictionary O - adjective Ontogenetic.
  • Ontologic Dictionary O - adjective Ontological.
  • Ontological Dictionary O - adjective Of or pertaining to ontology.
  • Ontologically Dictionary O - adverb In an ontological manner.
  • Ontologist Dictionary O - noun One who is versed in or treats of ontology.
  • Ontology Dictionary O - noun That department of the science of metaphysics which investigates and explains the nature and essential properties and relations of all beings, as such, or the principles and causes of being.
  • Onus Dictionary O - noun A burden; an obligation.
  • Onward Dictionary O - adjective Moving in a forward direction; tending toward a contemplated or desirable end; forward; as, an onward course, progress, etc.
  • Onwardness Dictionary O - noun Progress; advancement.
  • Onwards Dictionary O - adverb Onward.
  • Ony Dictionary O - adjective Any.
  • Onycha Dictionary O - noun An ingredient of the Mosaic incense, probably the operculum of some kind of strombus.
  • Onychia Dictionary O - noun A whitlow.
  • Onychomancy Dictionary O - noun Divination by the nails.
  • Onychophora Dictionary O - noun plural Malacopoda.
  • Onyx Dictionary O - noun Chalcedony in parallel layers of different shades of color. It is used for making cameos, the figure being cut in one layer with the next as a ground.
  • Oo Dictionary O - adjective One.
  • Ooecia Dictionary O - pleural of Ooecium.
  • Ooecium Dictionary O - noun One of the special zooids, or cells, of Bryozoa, destined to receive and develop ova; an ovicell. See Bryozoa.
  • Oogenesis Dictionary O - noun The development, or mode of origin, of the ova.
  • Oogonia Dictionary O - pleural of Oogonium.
  • Oogoniums Dictionary O - pleural of Oogonium.
  • Oogonium Dictionary O - noun A special cell in certain cryptogamous plants containing oospheres, as in the rockweeds (Fucus), and the orders Vaucherieae and Peronosporeae.
  • Ooidal Dictionary O - adjective Shaped like an egg.
  • Ook Dictionary O - noun Oak.
  • Oolite Dictionary O - noun A variety of limestone, consisting of small round grains, resembling the roe of a fish. It sometimes constitutes extensive beds, as in the European Jurassic. See the Chart of Geology.
  • Oolitic Dictionary O - adjective Of or pertaining to oolite; composed of, or resembling, oolite.
  • Oological Dictionary O - adjective Of or pertaining to oology.
  • Oologist Dictionary O - noun One versed in oology.
  • Oology Dictionary O - noun The science of eggs in relation to their coloring, size, shape, and number.
  • Oolong Dictionary O - noun A fragrant variety of black tea having somewhat the flavor of green tea.
  • Oomiac Dictionary O - noun Alt. of Oomiak.
  • Oomiak Dictionary O - noun A long, broad boat used by the Eskimos.
  • Oon Dictionary O - adjective One.
  • Oones Dictionary O - adverb Once.
  • Oop Dictionary O - verb transitive To bind with a thread or cord; to join; to unite.
  • Oopack Dictionary O - noun Alt. of Oopak.
  • Oopak Dictionary O - noun A kind of black tea.
  • Oophore Dictionary O - noun An alternately produced form of certain cryptogamous plants, as ferns, mosses, and the like, which bears antheridia and archegonia, and so has sexual fructification, as contrasted with the sporophore, which is nonsexual, but produces spores in countless number. In ferns the oophore is a minute prothallus; in mosses it is the leafy plant.
  • Oophorectomy Dictionary O - noun Ovariotomy.
  • Oophoric Dictionary O - adjective Having the nature of, or belonging to, an oophore.
  • Oophorida Dictionary O - pleural of Oophoridium.
  • Oophoridiums Dictionary O - pleural of Oophoridium.
  • Oophoridium Dictionary O - noun The macrosporangium or case for the larger kind of spores in heterosporous flowerless plants.
  • Oophoritis Dictionary O - noun Ovaritis.
  • Oophyte Dictionary O - noun Any plant of a proposed class or grand division (collectively termed oophytes or Oophyta), which have their sexual reproduction accomplished by motile antherozoids acting on oospheres, either while included in their oogonia or after exclusion.
  • Oophytic Dictionary O - adjective Of or pertaining to an oophyte.
  • Oorial Dictionary O - noun A wild, bearded sheep inhabiting the Ladakh mountains. It is reddish brown, with a dark beard from the chin to the chest.
  • Oosperm Dictionary O - noun The ovum, after fusion with the spermatozoon in impregnation.
  • Oospere Dictionary O - noun An unfertilized, rounded mass of protoplasm, produced in an oogonium.
  • Oosporangia Dictionary O - pleural of Oosporangium.
  • Oosporangiums Dictionary O - pleural of Oosporangium.
  • Oosporangium Dictionary O - noun An oogonium; also, a case containing oval or rounded spores of some other kind than oospores.
  • Oospore Dictionary O - noun A special kind of spore resulting from the fertilization of an oosphere by antherozoids.
  • Oosporic Dictionary O - adjective Of or pertaining to an oospore.
  • Oostegite Dictionary O - noun One of the plates which in some Crustacea inclose a cavity wherein the eggs are hatched.
  • Oothecae Dictionary O - pleural of Ootheca.
  • Ootheca Dictionary O - noun An egg case, especially those of many kinds of mollusks, and of some insects, as the cockroach. Cf. Ooecium.
  • Ootooid Dictionary O - noun Alt. of Ootocoid.
  • Ootocoid Dictionary O - noun A half oviparous, or an oviparous, mammal; a marsupial or monotreme.
  • Ootype Dictionary O - noun The part of the oviduct of certain trematode worms in which the ova are completed and furnished with a shell.
  • Ooze Dictionary O - noun Soft mud or slime; earth so wet as to flow gently, or easily yield to pressure.
  • Oozed Dictionary O - imperative & past particle of Ooze.
  • Oozing Dictionary O - past particle & verb noun of Ooze.
  • Oozoa Dictionary O - noun plural Same as Acrita.
  • Oozy Dictionary O - adjective Miry; containing soft mud; resembling ooze; as, the oozy bed of a river.
  • Opacate Dictionary O - verb transitive To darken; to cloud.
  • Opacity Dictionary O - noun The state of being opaque; the quality of a body which renders it impervious to the rays of light; want of transparency; opaqueness.
  • Opacous Dictionary O - adjective Opaque.
  • Opacular Dictionary O - adjective Opaque.
  • Opah Dictionary O - noun A large oceanic fish (Lampris quttatus), inhabiting the Atlantic Ocean. It is remarkable for its brilliant colors, which are red, green, and blue, with tints of purple and gold, covered with round silvery spots. Called also king of the herrings.
  • Opake Dictionary O - adjective See Opaque.
  • Opal Dictionary O - noun A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity.
  • Opalesced Dictionary O - imperative & past particle of Opalesce.
  • Opalescing Dictionary O - past particle & verb noun of Opalesce.
  • Opalesce Dictionary O - intransitive verb To give forth a play of colors, like the opal.
  • Opalescence Dictionary O - noun A reflection of a milky or pearly light from the interior of a mineral, as in the moonstone; the state or quality of being opalescent.
  • Opalescent Dictionary O - adjective Reflecting a milky or pearly light from the interior; having an opaline play of colors.
  • Opaline Dictionary O - adjective Of, pertaining to, or like, opal in appearance; having changeable colors like those of the opal.
  • Opalized Dictionary O - imperative & past particle of Opalize.
  • Opalizing Dictionary O - past particle & verb noun of Opalize.
  • Opalize Dictionary O - verb transitive To convert into opal, or a substance like opal.
  • Opalotype Dictionary O - noun A picture taken on "milky" glass.
  • Opaque Dictionary O - adjective Impervious to the rays of light; not transparent; as, an opaque substance.
  • Opaqueness Dictionary O - noun The state or quality of being impervious to light; opacity.
  • Ope Dictionary O - adjective Open.
  • Opeidoscope Dictionary O - noun An instrument, consisting of a tube having one end open and the other end covered with a thin flexible membrance to the center of which is attached a small mirror. It is used for exhibiting upon a screen, by means of rays reflected from the mirror, the vibratory motions caused by sounds produced at the open end of the tube, as by speaking or singing into it.
  • Opelet Dictionary O - noun A bright-colored European actinian (Anemonia, / Anthea, sulcata); - so called because it does not retract its tentacles.
  • Open Dictionary O - adjective Free of access; not shut up; not closed; affording unobstructed ingress or egress; not impeding or preventing passage; not locked up or covered over; - applied to passageways; as, an open door, window, road, etc.; also, to inclosed structures or objects; as, open houses, boxes, baskets, bottles, etc.; also, to means of communication or approach by water or land; as, an open harbor or roadstead.
  • Opened Dictionary O - imperative & past particle of Open.
  • Opening Dictionary O - past particle & verb noun of Open.
  • Open-air Dictionary O - adjective Taking place in the open air; outdoor; as, an open-air game or meeting.
  • Openbill Dictionary O - noun A bird of the genus Anastomus, allied to the stork; - so called because the two parts of the bill touch only at the base and tip. One species inhabits India, another Africa. Called also open-beak. See Illust. (m), under Beak.
  • Opener Dictionary O - noun One who, or that which, opens.
  • Open-eyed Dictionary O - adjective With eyes widely open; watchful; vigilant.
  • Open-handed Dictionary O - adjective Generous; liberal; munificent.
  • Open-headed Dictionary O - adjective Bareheaded.
  • Open-hearted Dictionary O - adjective Candid; frank; generous.
  • Openly Dictionary O - adverb In an open manner; publicly; not in private; without secrecy.
  • Open-mouthed Dictionary O - adjective Having the mouth open; gaping; hence, greedy; clamorous.
  • Openness Dictionary O - noun The quality or state of being open.
  • Openwork Dictionary O - noun Anything so constructed or manufactured (in needlework, carpentry, metal work, etc.) as to show openings through its substance; work that is perforated or pierced.
  • Opera Dictionary O - noun A drama, either tragic or comic, of which music forms an essential part; a drama wholly or mostly sung, consisting of recitative, arials, choruses, duets, trios, etc., with orchestral accompaniment, preludes, and interludes, together with appropriate costumes, scenery, and action; a lyric drama.
  • Operable Dictionary O - adjective Practicable.
  • Operameter Dictionary O - noun An instrument or machine for measuring work done, especially for ascertaining the number of rotations made by a machine or wheel in manufacturing cloth; a counter.
  • Operance Dictionary O - noun Alt. of Operancy.
  • Operancy Dictionary O - noun The act of operating or working; operation.
  • Operand Dictionary O - noun The symbol, quantity, or thing upon which a mathematical operation is performed; - called also faciend.
  • Operant Dictionary O - adjective Operative.
  • Operated Dictionary O - imperative & past particle of Operate.
  • Operating Dictionary O - past particle & verb noun of Operate.
  • Operate Dictionary O - intransitive verb To perform a work or labor; to exert power or strengh, physical or mechanical; to act.
  • Operatic Dictionary O - adjective Alt. of Operatical.
  • Operatical Dictionary O - adjective Of or pertaining to the opera or to operas; characteristic of, or resembling, the opera.
  • Operation Dictionary O - noun The act or process of operating; agency; the exertion of power, physical, mechanical, or moral.
  • Operative Dictionary O - adjective Having the power of acting; hence, exerting force, physical or moral; active in the production of effects; as, an operative motive.
  • Operatively Dictionary O - adverb In an operative manner.
  • Operator Dictionary O - noun One who, or that which, operates or produces an effect.
  • Operatory Dictionary O - noun A laboratory.
  • Opercle Dictionary O - noun Any one of the bony plates which support the gill covers of fishes; an opercular bone.
  • Opercula Dictionary O - noun plural See Operculum.
  • Oparcular Dictionary O - adjective Of, pertaining to, or like, an operculum.
  • Opercular Dictionary O - noun The principal opercular bone or operculum of fishes.
  • Operculate Dictionary O - adjective Alt. of Operculated.
  • Operculated Dictionary O - adjective Closed by a lid or cover, as the capsules of the mosses.
  • Operculiferous Dictionary O - adjective Bearing an operculum.
  • Operculiform Dictionary O - adjective Having the form of a lid or cover.
  • Operculigenous Dictionary O - adjective Producing an operculum; - said of the foot, or part of the foot, of certain mollusks.
  • Operculums Dictionary O - pleural of Operculum.
  • Operculum Dictionary O - noun The lid of a pitcherform leaf.
  • Operetta Dictionary O - noun A short, light, musical drama.
  • Operose Dictionary O - adjective Wrought with labor; requiring labor; hence, tedious; wearisome.
  • Operosity Dictionary O - noun Laboriousness.
  • Operous Dictionary O - adjective Operose.
  • Opertaneous Dictionary O - adjective Concealed; private.
  • Opetide Dictionary O - noun Open time; - applied to different things.
  • Ophelic Dictionary O - adjective Of, pertaining to, or designating, a substance (called ophelic acid) extracted from a plant (Ophelia) of the Gentian family as a bitter yellowish sirup, used in India as a febrifuge and tonic.
  • Ophicleide Dictionary O - noun A large brass wind instrument, formerly used in the orchestra and in military bands, having a loud tone, deep pitch, and a compass of three octaves; - now generally supplanted by bass and contrabass tubas.
  • Ophidia Dictionary O - noun plural The order of reptiles which includes the serpents.
  • Ophidian Dictionary O - noun One of the Ophidia; a snake or serpent.
  • Ophidioid Dictionary O - adjective Of or pertaining to the Ophidiidae, a family of fishes which includes many slender species.
  • Ophidion Dictionary O - noun The typical genus of ophidioid fishes. Written also Ophidium. See Illust. under Ophidioid.
  • Ophidious Dictionary O - adjective Ophidian.
  • Ophiolatry Dictionary O - noun The worship of serpents.
  • Ophiologic Dictionary O - adjective Alt. of Ophiological.
  • Ophiological Dictionary O - adjective Of or pertaining to ophiology.
  • Ophiologist Dictionary O - noun One versed in the natural history of serpents.
  • Ophiology Dictionary O - noun That part of natural history which treats of the ophidians, or serpents.
  • Ophiomancy Dictionary O - noun Divination by serpents, as by their manner of eating, or by their coils.
  • Ophiomorpha Dictionary O - noun plural An order of tailless amphibians having a slender, wormlike body with regular annulations, and usually with minute scales imbedded in the skin. The limbs are rudimentary or wanting. It includes the caecilians. Called also Gymnophiona and Ophidobatrachia.
  • Ophiomorphite Dictionary O - noun An ammonite.
  • Ophiomorphous Dictionary O - adjective Having the form of a serpent.
  • Ophiophagous Dictionary O - adjective Feeding on serpents; - said of certain birds and reptiles.
  • Ophiophagus Dictionary O - noun A genus of venomous East Indian snakes, which feed on other snakes. Ophiophagus elaps is said to be the largest and most deadly of poisonous snakes.
  • Ophite Dictionary O - adjective Of or pertaining to a serpent.
  • Ophiuchus Dictionary O - noun A constellation in the Northern Hemisphere, delineated as a man holding a serpent in his hands; - called also Serpentarius.
  • Ophiura Dictionary O - noun A genus of ophiurioid starfishes.
  • Ophiuran Dictionary O - adjective Of or pertaining to the Ophiurioidea.
  • Ophiurid Dictionary O - noun Same as Ophiurioid.
  • Ophiurida Dictionary O - noun plural Same as Ophiurioidea.
  • Ophiurioid Dictionary O - adjective Of or pertaining to the Ophiurioidea.
  • Ophiurioidea Dictionary O - noun plural Alt. of Ophiuroidea.
  • Ophiuroidea Dictionary O - noun plural A class of star-shaped echinoderms having a disklike body, with slender, articulated arms, which are not grooved beneath and are often very fragile; - called also Ophiuroida and Ophiuridea. See Illust. under Brittle star.
  • Ophryon Dictionary O - noun The supraorbital point.
  • Ophthalmia Dictionary O - noun An inflammation of the membranes or coats of the eye or of the eyeball.
  • Ophthalmic Dictionary O - adjective Of, pertaining to, or in the region of, the eye; ocular; as the ophthalmic, or orbitonasal, nerve, a division of the trigeminal, which gives branches to the lachrymal gland, eyelids, nose, and forehead.
  • Ophthalmite Dictionary O - noun An eyestalk; the organ which bears the compound eyes of decapod Crustacea.
  • Ophthalmological Dictionary O - adjective Of or pertaining to ophthalmology.
  • Ophthalmologist Dictionary O - noun One skilled in ophthalmology; an oculist.
  • Ophthalmology Dictionary O - noun The science which treats of the structure, functions, and diseases of the eye.
  • Ophthalmometer Dictionary O - noun An instrument devised by Helmholtz for measuring the size of a reflected image on the convex surface of the cornea and lens of the eye, by which their curvature can be ascertained.
  • Ophthalmoscope Dictionary O - noun An instrument for viewing the interior of the eye, particularly the retina. Light is thrown into the eye by a mirror (usually concave) and the interior is then examined with or without the aid of a lens.
  • Ophthalmoscopy Dictionary O - noun A branch of physiognomy which deduces the knowledge of a person's temper and character from the appearance of the eyes.
  • Ophthalmy Dictionary O - noun Same as Ophthalmia.
  • Opianic Dictionary O - adjective Of, pertaining to, or designating, an organic acid obtained by the oxidation of narcotine.
  • Opianine Dictionary O - noun An alkaloid found in small quantity in opium. It is identical with narcotine.
  • Opianyl Dictionary O - noun Same as Meconin.
  • Opiate Dictionary O - noun Originally, a medicine of a thicker consistence than sirup, prepared with opium.
  • Opiated Dictionary O - adjective Mixed with opiates.
  • Opie Dictionary O - noun Opium.
  • Opiferous Dictionary O - adjective Bringing help.
  • Opifice Dictionary O - noun Workmanship.
  • Opificer Dictionary O - noun An artificer; a workman.
  • Opinable Dictionary O - adjective Capable of being opined or thought.
  • Opination Dictionary O - noun The act of thinking; a supposition.
  • Opinative Dictionary O - adjective Obstinate in holding opinions; opinionated.
  • Opinator Dictionary O - noun One fond of his own opinious; one who holds an opinion.
  • Opined Dictionary O - imperative & past particle of Opine.
  • Opining Dictionary O - past particle & verb noun of Opine.
  • Opine Dictionary O - verb transitive & intransitive To have an opinion; to judge; to think; to suppose.
  • Opiner Dictionary O - noun One who opines.
  • Opiniaster Dictionary O - adjective Alt. of Opiniatre.
  • Opiniatre Dictionary O - adjective Opinionated.
  • Opiniastrous Dictionary O - adjective See Opiniaster. Obs..
  • Opinlate Dictionary O - verb transitive To hold or maintain persistently.
  • Opiniated Dictionary O - adjective Opinionated.
  • Opiniative Dictionary O - adjective Opinionative.
  • Opiniator Dictionary O - noun Alt. of Opiniatre.
  • Opiniatrety Dictionary O - noun Obstinacy in opinious.
  • Opinicus Dictionary O - noun An imaginary animal borne as a charge, having wings, an eagle's head, and a short tail; - sometimes represented without wings.
  • Opinion Dictionary O - noun That which is opined; a notion or conviction founded on probable evidence; belief stronger than impression, less strong than positive knowledge; settled judgment in regard to any point of knowledge or action.
  • Opinionable Dictionary O - adjective Being, or capable of being, a matter of opinion; that can be thought; not positively settled; as, an opinionable doctrine.
  • Opinionate Dictionary O - adjective Opinionated.
  • Opinionated Dictionary O - adjective Stiff in opinion; firmly or unduly adhering to one's own opinion or to preconceived notions; obstinate in opinion.
  • Opinionately Dictionary O - adverb Conceitedly.
  • Opinionatist Dictionary O - noun An opinionist.
  • Opinionative Dictionary O - adjective Unduly attached to one's own opinions; opinionated.
  • Opinionator Dictionary O - noun An opinionated person; one given to conjecture.
  • Opinioned Dictionary O - adjective Opinionated; conceited.
  • Opinionist Dictionary O - noun One fond of his own notions, or unduly attached to his own opinions.
  • Opiparous Dictionary O - adjective Sumptuous.
  • Opisometer Dictionary O - noun An instrument with a revolving wheel for measuring a curved line, as on a map.
  • Opisthion Dictionary O - noun The middle of the posterior, or dorsal, margin of the great foramen of the skull.
  • Opisthobranchia Dictionary O - noun plural Alt. of Opisthobranchiata.
  • Opisthobranchiata Dictionary O - noun plural A division of gastropod Mollusca, in which the breathing organs are usually situated behind the heart. It includes the tectibranchs and nudibranchs.
  • Opisthobranchiate Dictionary O - adjective Of or pertaining to the Opisthobranchiata.
  • Opisthocoelian Dictionary O - adjective Alt. of Opisthocoelous.
  • Opisthocoelous Dictionary O - adjective Concave behind; - applied especially to vertebrae in which the anterior end of the centrum is convex and the posterior concave.
  • Opisthodome Dictionary O - noun A back chamber; especially, that part of the naos, or cella, farthest from the main entrance, sometimes having an entrance of its own, and often used as a treasury.
  • Opisthoglypha Dictionary O - noun plural A division of serpents which have some of the posterior maxillary teeth grooved for fangs.
  • Opisthography Dictionary O - noun A writing upon the back of anything, as upon the back of a leaf or sheet already written upon on one side.
  • Opisthomi Dictionary O - noun plural An order of eellike fishes having the scapular arch attached to the vertebrae, but not connected with the skull.
  • Opisthopulmonate Dictionary O - adjective Having the pulmonary sac situated posteriorly; - said of certain air-breathing Mollusca.
  • Opisthotic Dictionary O - noun The inferior and posterior of the three elements forming the periotic bone.
  • Opisthotonos Dictionary O - noun A tetanic spasm in which the body is bent backwards and stiffened.
  • Opitulation Dictionary O - noun The act of helping or aiding; help.
  • Opium Dictionary O - noun The inspissated juice of the Papaver somniferum, or white poppy.
  • Ople tree Dictionary O - The witch-hazel.
  • Opobalsam Dictionary O - noun Alt. of Opobalsamum.
  • Opobalsamum Dictionary O - noun The old name of the aromatic resinous juice of the Balsamodendron opobalsamum, now commonly called balm of Gilead. See under Balm.
  • Opodeldoc Dictionary O - noun A kind of plaster, said to have been invented by Mindererus, - used for external injuries.
  • Opopanax Dictionary O - noun The inspissated juice of an umbelliferous plant (the Opoponax Chironum), brought from Turkey and the East Indies in loose granules, or sometimes in larger masses, of a reddish yellow color, with specks of white. It has a strong smell and acrid taste, and was formerly used in medicine as an emmenagogue and antispasmodic.
  • Opossum Dictionary O - noun Any American marsupial of the genera Didelphys and Chironectes. The common species of the United States is Didelphys Virginiana.
  • Oppidan Dictionary O - adjective Of or pertaining to a town.
  • Oppignerate Dictionary O - intransitive verb To pledge; to pawn.
  • Oppilated Dictionary O - imperative & past particle of Oppilate.
  • Oppilating Dictionary O - past particle & verb noun of Oppilate.
  • Oppilate Dictionary O - verb transitive To crowd together; to fill with obstructions; to block up.
  • Oppilation Dictionary O - noun The act of filling or crowding together; a stopping by redundant matter; obstruction, particularly in the lower intestines.
  • Oppilative Dictionary O - adjective Obstructive.
  • Opplete Dictionary O - adjective Alt. of Oppleted.
  • Oppleted Dictionary O - adjective Filled; crowded.
  • Oppletion Dictionary O - noun The act of filling up, or the state of being filled up; fullness.
  • Oppone Dictionary O - verb transitive To oppose.
  • Opponency Dictionary O - noun The act of opening an academical disputation; the proposition of objections to a tenet, as an exercise for a degree.
  • Opponent Dictionary O - adjective Situated in front; opposite; hence, opposing; adverse; antagonistic.
  • Opportune Dictionary O - adjective Convenient; ready; hence, seasonable; timely.
  • Opportunism Dictionary O - noun The art or practice of taking advantage of opportunities or circumstances, or of seeking immediate advantage with little regard for ultimate consequences.
  • Opportunist Dictionary O - noun One who advocates or practices opportunism.
  • Opportunities Dictionary O - pleural of Opportunity.
  • Opportunity Dictionary O - noun Fit or convenient time; a time or place favorable for executing a purpose; a suitable combination of conditions; suitable occasion; chance.
  • Opposability Dictionary O - noun The condition or quality of being opposable.
  • Opposable Dictionary O - adjective Capable of being opposed or resisted.
  • Opposal Dictionary O - noun Opposition.
  • Opposed Dictionary O - imperative & past particle of Oppose.
  • Opposing Dictionary O - past particle & verb noun of Oppose.
  • Oppose Dictionary O - noun To place in front of, or over against; to set opposite; to exhibit.
  • Opposeless Dictionary O - adjective Not to be effectually opposed; irresistible.
  • Opposer Dictionary O - noun One who opposes; an opponent; an antagonist; an adversary.
  • Opposite Dictionary O - adjective Placed over against; standing or situated over against or in front; facing; - often with to; as, a house opposite to the Exchange.
  • Oppositely Dictionary O - adverb In a situation to face each other; in an opposite manner or direction; adversely.
  • Oppositeness Dictionary O - noun The quality or state of being opposite.
  • Oppositifolious Dictionary O - adjective Placed at the same node with a leaf, but separated from it by the whole diameter of the stem; as, an oppositifolious peduncle.
  • Opposition Dictionary O - noun The act of opposing; an attempt to check, restrain, or defeat; resistance.
  • Oppositionist Dictionary O - noun One who belongs to the opposition party.
  • Oppositipetalous Dictionary O - adjective Placed in front of a petal.
  • Oppositisepalous Dictionary O - adjective Placed in front of a sepal.
  • Oppositive Dictionary O - adjective Capable of being put in opposition.
  • Oppressed Dictionary O - imperative & past particle of Oppress.
  • Oppressing Dictionary O - past particle & verb noun of Oppress.
  • Oppress Dictionary O - verb transitive To impose excessive burdens upon; to overload; hence, to treat with unjust rigor or with cruelty.
  • Oppression Dictionary O - noun The act of oppressing, or state of being oppressed.
  • Oppressive Dictionary O - adjective Unreasonably burdensome; unjustly severe, rigorous, or harsh; as, oppressive taxes; oppressive exactions of service; an oppressive game law.
  • Oppressor Dictionary O - noun One who oppresses; one who imposes unjust burdens on others; one who harasses others with unjust laws or unreasonable severity.
  • Oppressure Dictionary O - noun Oppression.
  • Opprobrious Dictionary O - adjective Expressive of opprobrium; attaching disgrace; reproachful; scurrilous; as, opprobrious language.
  • Opprobrium Dictionary O - noun Disgrace; infamy; reproach mingled with contempt; abusive language.
  • Opprobry Dictionary O - noun Opprobrium.
  • Oppugned Dictionary O - imperative & past particle of Oppugn.
  • Oppugning Dictionary O - past particle & verb noun of Oppugn.
  • Oppugn Dictionary O - verb transitive To fight against; to attack; to be in conflict with; to oppose; to resist.
  • Oppugnancy Dictionary O - noun The act of oppugning; opposition; resistance.
  • Oppugnant Dictionary O - adjective Tending to awaken hostility; hostile; opposing; warring.
  • Oppugnation Dictionary O - noun Opposition.
  • Oppugner Dictionary O - noun One who opposes or attacks; that which opposes.
  • Opsimathy Dictionary O - noun Education late in life.
  • Opsiometer Dictionary O - noun An instrument for measuring the limits of distincts vision in different individuals, and thus determiming the proper focal length of a lens for correcting imperfect sight.
  • Opsonation Dictionary O - noun A catering; a buying of provisions.
  • Optable Dictionary O - adjective That may be chosen; desirable.
  • Optate Dictionary O - intransitive verb To choose; to wish for; to desire.
  • Optation Dictionary O - noun The act of optating; a wish.
  • Optative Dictionary O - adjective Expressing desire or wish.
  • Optatively Dictionary O - adverb In an optative manner; with the expression of desire.
  • Optic Dictionary O - adjective The organ of sight; an eye.
  • Optical Dictionary O - adjective Of or pertaining to vision or sight.
  • Optically Dictionary O - adverb By optics or sight; with reference to optics.
  • Optician Dictionary O - adjective One skilled in optics.
  • Optics Dictionary O - noun That branch of physical science which treats of the nature and properties of light, the laws of its modification by opaque and transparent bodies, and the phenomena of vision.
  • Optigraph Dictionary O - adjective A telescope with a diagonal eyepiece, suspended vertically in gimbals by the object end beneath a fixed diagonal plane mirror. It is used for delineating landscapes, by means of a pencil at the eye end which leaves the delineation on paper.
  • Optimacy Dictionary O - noun Government by the nobility.
  • Optimate Dictionary O - adjective Of or pertaining to the nobility or aristocracy.
  • Optimates Dictionary O - noun plural The nobility or aristocracy of ancient Rome, as opposed to the populares.
  • Optime Dictionary O - noun One of those who stand in the second rank of honors, immediately after the wranglers, in the University of Cambridge, England. They are divided into senior and junior optimes.
  • Optimism Dictionary O - noun The opinion or doctrine that everything in nature, being the work of God, is ordered for the best, or that the ordering of things in the universe is such as to produce the highest good.
  • Optimist Dictionary O - noun One who holds the opinion that all events are ordered for the best.
  • Optimistic Dictionary O - adjective Of or pertaining to optimism; tending, or conforming, to the opinion that all events are ordered for the best.
  • Optimity Dictionary O - noun The state of being best.
  • Option Dictionary O - noun The power of choosing; the right of choice or election; an alternative.
  • Optional Dictionary O - adjective Involving an option; depending on the exercise of an option; left to one's discretion or choice; not compulsory; as, optional studies; it is optional with you to go or stay.
  • Optionally Dictionary O - adverb In an optional manner.
  • Optocoele Dictionary O - noun Alt. of Optocoelia.
  • Optocoelia Dictionary O - noun The cavity of one of the optic lobes of the brain in many animals.
  • Optogram Dictionary O - noun An image of external objects fixed on the retina by the photochemical action of light on the visual purple. See Optography.
  • Optography Dictionary O - noun The production of an optogram on the retina by the photochemical action of light on the visual purple; the fixation of an image in the eye. The object so photographed shows white on a purple or red background. See Visual purple, under Visual.
  • Optometer Dictionary O - noun An instrument for measuring the distance of distinct vision, mainly for the selection of eveglasses.
  • Opulence Dictionary O - noun Wealth; riches; affluence.
  • Opulency Dictionary O - noun See Opulence.
  • Opulent Dictionary O - adjective Having a large estate or property; wealthy; rich; affluent; as, an opulent city; an opulent citizen.
  • Opuntia Dictionary O - noun A genus of cactaceous plants; the prickly pear, or Indian fig.
  • Opus Dictionary O - noun A work; specif. (Mus.), a musical composition.
  • Opuscle Dictionary O - noun Alt. of Opuscule.
  • Opuscule Dictionary O - noun A small or petty work.
  • Opuscula Dictionary O - pleural of Opusculum.
  • Opusculum Dictionary O - noun An opuscule.
  • Opye Dictionary O - noun Opium.
  • Oquassa Dictionary O - noun A small, handsome trout (Salvelinus oquassa), found in some of the lakes in Maine; - called also blueback trout.
  • -or Dictionary O - A noun suffix denoting an act; a state or quality; as in error, fervor, pallor, candor, etc.
  • Or Dictionary O - conjecture A particle that marks an alternative; as, you may read or may write, - that is, you may do one of the things at your pleasure, but not both. It corresponds to either. You may ride either to London or to Windsor. It often connects a series of words or propositions, presenting a choice of either; as, he may study law, or medicine, or divinity, or he may enter into trade.
  • Ora Dictionary O - noun A money of account among the Anglo-Saxons, valued, in the Domesday Book, at twenty pence sterling.
  • Orabassu Dictionary O - noun A South American monkey of the genus Callithrix, esp.
  • Orach Dictionary O - noun Alt. of Orache.
  • Orache Dictionary O - noun A genus (Atriplex) of herbs or low shrubs of the Goosefoot family, most of them with a mealy surface.
  • Oracle Dictionary O - noun The answer of a god, or some person reputed to be a god, to an inquiry respecting some affair or future event, as the success of an enterprise or battle.
  • Oracled Dictionary O - imperative & past particle of Oracle.
  • Oracling Dictionary O - past particle & verb noun of Oracle.
  • Oracular Dictionary O - adjective Of or pertaining to an oracle; uttering oracles; forecasting the future; as, an oracular tongue.
  • Oraculous Dictionary O - adjective Oracular; of the nature of an oracle.
  • Oragious Dictionary O - adjective Stormy.
  • Oraison Dictionary O - noun See Orison.
  • Oral Dictionary O - adjective Uttered by the mouth, or in words; spoken, not written; verbal; as, oral traditions; oral testimony; oral law.
  • Orally Dictionary O - adverb In an oral manner.
  • Orang Dictionary O - noun See Orang-outang.
  • Orange Dictionary O - noun The fruit of a tree of the genus Citrus (C. Aurantium). It is usually round, and consists of pulpy carpels, commonly ten in number, inclosed in a leathery rind, which is easily separable, and is reddish yellow when ripe.
  • Orangeade Dictionary O - noun A drink made of orange juice and water, corresponding to lemonade; orange sherbet.
  • Orangeat Dictionary O - noun Candied orange peel; also, orangeade.
  • Orangeism Dictionary O - noun Attachment to the principles of the society of Orangemen; the tenets or practices of the Orangemen.
  • Orangeman Dictionary O - noun One of a secret society, organized in the north of Ireland in 1795, the professed objects of which are the defense of the regning sovereign of Great Britain, the support of the Protestant religion, the maintenance of the laws of the kingdom, etc.; - so called in honor of William, Prince of Orange, who became William III. of England.
  • Orangeroot Dictionary O - noun An American ranunculaceous plant (Hidrastis Canadensis), having a yellow tuberous root; - also called yellowroot, golden seal, etc.
  • Orangery Dictionary O - noun A place for raising oranges; a plantation of orange trees.
  • Orangetawny Dictionary O - adjective & noun Deep orange-yellow; dark yellow.
  • Orangite Dictionary O - An orange-yellow variety of the mineral thorite, found in Norway.
  • Orang-outang Dictionary O - noun An arboreal anthropoid ape (Simia satyrus), which inhabits Borneo and Sumatra. Often called simply orang.
  • Orarian Dictionary O - adjective Of or pertaining to a coast.
  • Oration Dictionary O - noun An elaborate discourse, delivered in public, treating an important subject in a formal and dignified manner; especially, a discourse having reference to some special occasion, as a funeral, an anniversary, a celebration, or the like; - distinguished from an argument in court, a popular harangue, a sermon, a lecture, etc.; as, Webster's oration at Bunker Hill.
  • Orator Dictionary O - noun A public speaker; one who delivers an oration; especially, one distinguished for his skill and power as a public speaker; one who is eloquent.
  • Oratorial Dictionary O - adjective Oratorical.
  • Oratorian Dictionary O - adjective Oratorical.
  • Oratorical Dictionary O - adjective Of or pertaining to an orator or to oratory; characterized by oratory; rhetorical; becoming to an orator; as, an oratorical triumph; an oratorical essay.
  • Oratorio Dictionary O - noun A more or less dramatic text or poem, founded on some Scripture nerrative, or great divine event, elaborately set to music, in recitative, arias, grand choruses, etc., to be sung with an orchestral accompaniment, but without action, scenery, or costume, although the oratorio grew out of the Mysteries and the Miracle and Passion plays, which were acted.
  • Oratorious Dictionary O - adjective Oratorical.
  • Oratorize Dictionary O - intransitive verb To play the orator.
  • Oratories Dictionary O - pleural of Oratory.
  • Oratory Dictionary O - noun A place of orisons, or prayer; especially, a chapel or small room set apart for private devotions.
  • Oratress Dictionary O - noun A woman who makes public addresses.
  • Oratrix Dictionary O - noun A woman plaintiff, or complainant, in equity pleading.
  • Orb Dictionary O - noun A blank window or panel.
  • Orbed Dictionary O - imperative & past particle of Orb.
  • Orbing Dictionary O - past particle & verb noun of Orb.
  • Orbate Dictionary O - adjective Bereaved; fatherless; childless.
  • Orbation Dictionary O - noun The state of being orbate, or deprived of parents or children; privation, in general; bereavement.
  • Orbic Dictionary O - adjective Alt. of Orbical.
  • Orbical Dictionary O - adjective Spherical; orbicular; orblike; circular.
  • Orbicle Dictionary O - noun A small orb, or sphere.
  • Orbicula Dictionary O - noun Same as Discina.
  • Orbicular Dictionary O - adjective Resembling or having the form of an orb; spherical; circular; orbiculate.
  • Orbiculate Dictionary O - noun That which is orbiculate; especially, a solid the vertical section of which is oval, and the horizontal section circular.
  • Orbiculated Dictionary O - adjective Made, or being, in the form of an orb; having a circular, or nearly circular, or a spheroidal, outline.
  • Orbiculation Dictionary O - noun The state or quality of being orbiculate; orbicularness.
  • Orbit Dictionary O - noun The path described by a heavenly body in its periodical revolution around another body; as, the orbit of Jupiter, of the earth, of the moon.
  • Orbital Dictionary O - adjective Of or pertaining to an orbit.
  • Orbitar Dictionary O - adjective Orbital.
  • Orbitary Dictionary O - adjective Situated around the orbit; as, the orbitary feathers of a bird.
  • Orbitelae Dictionary O - noun plural A division of spiders, including those that make geometrical webs, as the garden spider, or Epeira.
  • Orbitolites Dictionary O - noun A genus of living Foraminifera, forming broad, thin, circular disks, containing numerous small chambers.
  • Orbitonasal Dictionary O - adjective Of or pertaining to the orbit and the nose; as, the orbitonasal, or ophthalmic, nerve.
  • Orbitosphenoid Dictionary O - adjective Of or pertaining to the sphenoid bone and the orbit, or to the orbitosphenoid bone.
  • Orbitosphenoidal Dictionary O - adjective Of or pertaining to the orbitosphenoid bone; orbitosphenoid.
  • Orbituary Dictionary O - adjective Orbital.
  • Orbitude Dictionary O - noun Alt. of Orbity.
  • Orbity Dictionary O - noun Orbation.
  • Orbulina Dictionary O - noun A genus of minute living Foraminifera having a globular shell.
  • Orby Dictionary O - adjective Orblike; having the course of an orb; revolving.
  • Orc Dictionary O - noun The grampus.
  • Orcadian Dictionary O - adjective Of or pertaining to the Orkney Islands.
  • Orcein Dictionary O - noun A reddish brown amorphous dyestuff, /, obtained from orcin, and forming the essential coloring matter of cudbear and archil. It is closely related to litmus.
  • Orchal Dictionary O - noun See Archil.
  • Orchanet Dictionary O - noun Same as Alkanet, 2.
  • Orchard Dictionary O - noun A garden.
  • Orcharding Dictionary O - noun The cultivation of orchards.
  • Orchardist Dictionary O - noun One who cultivates an orchard.
  • Orchel Dictionary O - noun Archil.
  • Orchesography Dictionary O - noun A treatise upon dancing.
  • Orchester Dictionary O - noun See Orchestra.
  • Orchestian Dictionary O - noun Any species of amphipod crustacean of the genus Orchestia, or family Orchestidae. See Beach flea, under Beach.
  • Orchestra Dictionary O - noun The space in a theater between the stage and the audience; - originally appropriated by the Greeks to the chorus and its evolutions, afterward by the Romans to persons of distinction, and by the moderns to a band of instrumental musicians.
  • Orchestral Dictionary O - adjective Of or pertaining to an orchestra; suitable for, or performed in or by, an orchestra.
  • Orchestration Dictionary O - noun The arrangement of music for an orchestra; orchestral treatment of a composition; - called also instrumentation.
  • Orchestre Dictionary O - noun See Orchestra.
  • Orchestric Dictionary O - adjective Orchestral.
  • Orchestrion Dictionary O - noun A large music box imitating a variety of orchestral instruments.
  • Orchid Dictionary O - noun Any plant of the order Orchidaceae. See Orchidaceous.
  • Orchidaceous Dictionary O - adjective Pertaining to, or resembling, a natural order (Orchidaceae) of endogenous plants of which the genus Orchis is the type. They are mostly perennial herbs having the stamens and pistils united in a single column, and normally three petals and three sepals, all adherent to the ovary. The flowers are curiously shaped, often resembling insects, the odd or lower petal (called the lip) being unlike the others, and sometimes of a strange and unexpected appearance. About one hundred species occur in the United States, but several thousand in the tropics.
  • Orchidean Dictionary O - adjective Orchidaceous.
  • Orchideous Dictionary O - adjective Same as Orchidaceous.
  • Orchidologist Dictionary O - noun One versed in orchidology.
  • Orchidology Dictionary O - noun The branch of botany which treats of orchids.
  • Orchil Dictionary O - noun See Archil.
  • Orchilla weed Dictionary O - The lichen from which archil is obtained. See Archil.
  • Orchises Dictionary O - pleural of Orchis.
  • Orchis Dictionary O - noun A genus of endogenous plants growing in the North Temperate zone, and consisting of about eighty species. They are perennial herbs growing from a tuber (beside which is usually found the last year's tuber also), and are valued for their showy flowers. See Orchidaceous.
  • Orchitis Dictionary O - noun Inflammation of the testicles.
  • Orchotomy Dictionary O - noun The operation of cutting out or removing a testicle by the knife; castration.
  • Orcin Dictionary O - noun A colorless crystalline substance, C6H3.CH3.(OH)2, which is obtained from certain lichens (Roccella, Lecanora, etc.), also from extract of aloes, and artificially from certain derivatives of toluene. It changes readily into orcein.
  • Ord Dictionary O - noun An edge or point; also, a beginning.
  • Ordained Dictionary O - imperative & past particle of Ordain.
  • Ordaining Dictionary O - past particle & verb noun of Ordain.
  • Ordain Dictionary O - verb transitive To set in order; to arrange according to rule; to regulate; to set; to establish.
  • Ordainable Dictionary O - adjective Capable of being ordained; worthy to be ordained or appointed.
  • Ordainer Dictionary O - noun One who ordains.
  • Ordainment Dictionary O - noun Ordination.
  • Ordal Dictionary O - noun Ordeal.
  • Ordalian Dictionary O - adjective Of or pertaining to trial by ordeal.
  • Ordeal Dictionary O - noun An ancient form of test to determine guilt or innocence, by appealing to a supernatural decision, - once common in Europe, and still practiced in the East and by savage tribes.
  • Order Dictionary O - noun Regular arrangement; any methodical or established succession or harmonious relation; method; system.
  • Ordered Dictionary O - imperative & past particle of Order.
  • Ordering Dictionary O - past particle & verb noun of Order.
  • Orderable Dictionary O - adjective Capable of being ordered; tractable.
  • Orderer Dictionary O - noun One who puts in order, arranges, methodizes, or regulates.
  • Orderless Dictionary O - adjective Being without order or regularity; disorderly; out of rule.
  • Orderliness Dictionary O - noun The state or quality of being orderly.
  • Orderly Dictionary O - adjective Conformed to order; in order; regular; as, an orderly course or plan.
  • Orderlies Dictionary O - pleural of Orderly.
  • Ordinability Dictionary O - noun Capability of being ordained or appointed.
  • Ordinable Dictionary O - adjective Capable of being ordained or appointed.
  • Ordinal Dictionary O - adjective Indicating order or succession; as, the ordinal numbers, first, second, third, etc.
  • Ordinalism Dictionary O - noun The state or quality of being ordinal.
  • Ordinance Dictionary O - noun Orderly arrangement; preparation; provision.
  • Ordinand Dictionary O - noun One about to be ordained.
  • Ordinant Dictionary O - adjective Ordaining; decreeing.
  • Ordinarily Dictionary O - adverb According to established rules or settled method; as a rule; commonly; usually; in most cases; as, a winter more than ordinarily severe.
  • Ordinary Dictionary O - adjective According to established order; methodical; settled; regular.
  • Ordinaries Dictionary O - pleural of Ordinary.
  • Ordinaryship Dictionary O - noun The state of being an ordinary.
  • Ordinate Dictionary O - adjective Well-ordered; orderly; regular; methodical.
  • Ordinately Dictionary O - adverb In an ordinate manner; orderly.
  • Ordination Dictionary O - noun The act of ordaining, appointing, or setting apart; the state of being ordained, appointed, etc.
  • Ordinative Dictionary O - adjective Tending to ordain; directing; giving order.
  • Ordinator Dictionary O - noun One who ordains or establishes; a director.
  • Ordnance Dictionary O - noun Heavy weapons of warfare; cannon, or great guns, mortars, and howitzers; artillery; sometimes, a general term for all weapons and appliances used in war.
  • Ordonnance Dictionary O - noun The disposition of the parts of any composition with regard to one another and the whole.
  • Ordonnant Dictionary O - adjective Of or pertaining to ordonnance.
  • Ordovian Dictionary O - adjective & noun Ordovician.
  • Ordovician Dictionary O - adjective Of or pertaining to a division of the Silurian formation, corresponding in general to the Lower Silurian of most authors, exclusive of the Cambrian.
  • Ordure Dictionary O - noun Dung; excrement; faeces.
  • Ordurous Dictionary O - adjective Of or pertaining to ordure; filthy.
  • Ore Dictionary O - noun Honor; grace; favor; mercy; clemency; happy augry.
  • Oread Dictionary O - noun One of the nymphs of mountains and grottoes.
  • Oreades Dictionary O - noun plural A group of butterflies which includes the satyrs. See Satyr, 2.
  • Orectic Dictionary O - adjective Of or pertaining to the desires; hence, impelling to gratification; appetitive.
  • Oregon grape Dictionary O - An evergreen species of barberry (Berberis Aquifolium), of Oregon and California; also, its roundish, blue-black berries.
  • Oreide Dictionary O - noun See Oroide.
  • Oreodon Dictionary O - noun A genus of extinct herbivorous mammals, abundant in the Tertiary formation of the Rocky Mountains. It is more or less related to the camel, hog, and deer.
  • Oreodont Dictionary O - adjective Resembling, or allied to, the genus Oreodon.
  • Oreographic Dictionary O - adjective Of or pertaining to oreography.
  • Oreography Dictionary O - noun The science of mountains; orography.
  • Oreoselin Dictionary O - noun A white crystalline substance which is obtained indirectly from the root of an umbelliferous plant (Imperatoria Oreoselinum), and yields resorcin on decomposition.
  • Oreosoma Dictionary O - noun plural A genus of small oceanic fishes, remarkable for the large conical tubercles which cover the under surface.
  • Oreweed Dictionary O - noun Same as Oarweed.
  • Orewood Dictionary O - noun Same as Oarweed.
  • Orf Dictionary O - noun Alt. of Orfe.
  • Orfe Dictionary O - noun A bright-colored domesticated variety of the id. See Id.
  • Orfgild Dictionary O - noun Restitution for cattle; a penalty for taking away cattle.
  • Orfray Dictionary O - noun The osprey.
  • Orfrays Dictionary O - noun See Orphrey. Obs. Rom. of R.
  • Orgal Dictionary O - noun See Argol.
  • Organ Dictionary O - noun An instrument or medium by which some important action is performed, or an important end accomplished; as, legislatures, courts, armies, taxgatherers, etc., are organs of government.
  • Organdie Dictionary O - noun Alt. of Organdy.
  • Organdy Dictionary O - noun A kind of transparent light muslin.
  • Organic Dictionary O - adjective Of or pertaining to an organ or its functions, or to objects composed of organs; consisting of organs, or containing them; as, the organic structure of animals and plants; exhibiting characters peculiar to living organisms; as, organic bodies, organic life, organic remains. Cf. Inorganic.
  • Organical Dictionary O - adjective Organic.
  • Organically Dictionary O - adverb In an organic manner; by means of organs or with reference to organic functions; hence, fundamentally.
  • Organicalness Dictionary O - noun The quality or state of being organic.
  • Organicism Dictionary O - noun The doctrine of the localization of disease, or which refers it always to a material lesion of an organ.
  • Organific Dictionary O - adjective Making an organic or organized structure; producing an organism; acting through, or resulting from, organs.
  • Organism Dictionary O - noun Organic structure; organization.
  • Organist Dictionary O - noun One who plays on the organ.
  • Organista Dictionary O - noun Any one of several South American wrens, noted for the sweetness of their song.
  • Organity Dictionary O - noun Organism.
  • Organizability Dictionary O - noun Quality of being organizable; capability of being organized.
  • Organizable Dictionary O - adjective Capable of being organized; esp. (Biol.), capable of being formed into living tissue; as, organizable matter.
  • Organization Dictionary O - noun The act of organizing; the act of arranging in a systematic way for use or action; as, the organization of an army, or of a deliberative body.
  • Organized Dictionary O - imperative & past particle of Organize.
  • Organizing Dictionary O - past particle & verb noun of Organize.
  • Organize Dictionary O - verb transitive To furnish with organs; to give an organic structure to; to endow with capacity for the functions of life; as, an organized being; organized matter; - in this sense used chiefly in the past participle.
  • Organizer Dictionary O - noun One who organizes.
  • Organling Dictionary O - noun A large kind of sea fish; the orgeis.
  • Organo- Dictionary O - A combining form denoting relation to, or connection with, an organ or organs.
  • Organogen Dictionary O - noun A name given to any one of the four elements, carbon, hydrogen, oxygen, and nitrogen, which are especially characteristic ingredients of organic compounds; also, by extension, to other elements sometimes found in the same connection; as sulphur, phosphorus, etc.
  • Organogenesis Dictionary O - noun The origin and development of organs in animals and plants.
  • Organogenic Dictionary O - adjective Of or pertaining to organogenesis.
  • Organogeny Dictionary O - noun Organogenesis.
  • Organographic Dictionary O - adjective Alt. of Organographical.
  • Organographical Dictionary O - adjective Of or pertaining to organography.
  • Organographist Dictionary O - noun One versed in organography.
  • Organography Dictionary O - noun A description of the organs of animals or plants.
  • Organoleptic Dictionary O - adjective Making an impression upon an organ; plastic; - said of the effect or impression produced by any substance on the organs of touch, taste, or smell, and also on the organism as a whole.
  • Organological Dictionary O - adjective Of or relating to organology.
  • Organology Dictionary O - noun The science of organs or of anything considered as an organic structure.
  • Organometallic Dictionary O - adjective Metalorganic.
  • Organon Dictionary O - noun Alt. of Organum.
  • Organum Dictionary O - noun An organ or instrument; hence, a method by which philosophical or scientific investigation may be conducted; - a term adopted from the Aristotelian writers by Lord Bacon, as the title ("Novum Organon") of part of his treatise on philosophical method.
  • Organonymy Dictionary O - noun The designation or nomenclature of organs.
  • Organophyly Dictionary O - noun The tribal history of organs, - a branch of morphophyly.
  • Organoplastic Dictionary O - adjective Having the property of producing the tissues or organs of animals and plants; as, the organoplastic cells.
  • Organoscopy Dictionary O - noun Phrenology.
  • Organotrophic Dictionary O - adjective Relating to the creation, organization, and nutrition of living organs or parts.
  • Organule Dictionary O - noun One of the essential cells or elements of an organ. See Sense organule, under Sense.
  • Organy Dictionary O - noun See Origan.
  • Organzine Dictionary O - noun A kind of double thrown silk of very fine texture, that is, silk twisted like a rope with different strands, so as to increase its strength.
  • Orgasm Dictionary O - noun Eager or immoderate excitement or action; the state of turgescence of any organ; erethism; esp., the height of venereal excitement in sexual intercourse.
  • Orgeat Dictionary O - noun A sirup in which, formerly, a decoction of barley entered, but which is now prepared with an emulsion of almonds, - used to flavor beverages or edibles.
  • Orgeis Dictionary O - noun See Organling.
  • Orgiastic Dictionary O - adjective Pertaining to, or of the nature of, orgies.
  • Orgies Dictionary O - noun plural A sacrifice accompanied by certain ceremonies in honor of some pagan deity; especially, the ceremonies observed by the Greeks and Romans in the worship of Dionysus, or Bacchus, which were characterized by wild and dissolute revelry.
  • Orgillous Dictionary O - adjective Proud; haughty.
  • Orgue Dictionary O - noun Any one of a number of long, thick pieces of timber, pointed and shod with iron, and suspended, each by a separate rope, over a gateway, to be let down in case of attack.
  • Orgulous Dictionary O - adjective See Orgillous.
  • Orgy Dictionary O - noun A frantic revel; drunken revelry. See Orgies.
  • Orgyia Dictionary O - noun A genus of bombycid moths whose caterpillars (esp. those of Orgyia leucostigma) are often very injurious to fruit trees and shade trees. The female is wingless. Called also vaporer moth.
  • Oricalche Dictionary O - noun See Orichalch.
  • Orichalceous Dictionary O - adjective Pertaining to, or resembling, orichalch; having a color or luster like that of brass.
  • Orichalch Dictionary O - noun A metallic substance, resembling gold in color, but inferior in value; a mixed metal of the ancients, resembling brass; - called also aurichalcum, orichalcum, etc.
  • Oriel Dictionary O - noun A gallery for minstrels.
  • Oriency Dictionary O - noun Brightness or strength of color.
  • Orient Dictionary O - adjective Rising, as the sun.
  • Oriental Dictionary O - adjective Of or pertaining to the orient or east; eastern; concerned with the East or Orientalism; - opposed to occidental; as, Oriental countries.
  • Orientalism Dictionary O - noun Any system, doctrine, custom, expression, etc., peculiar to Oriental people.
  • Orientalist Dictionary O - noun An inhabitant of the Eastern parts of the world; an Oriental.
  • Orientality Dictionary O - noun The quality or state of being oriental or eastern.
  • Orientalized Dictionary O - imperative & past particle of Orientalize.
  • Orientalizing Dictionary O - past particle & verb noun of Orientalize.
  • Orientalize Dictionary O - verb transitive to render Oriental; to cause to conform to Oriental manners or conditions.
  • Orientated Dictionary O - imperative & past particle of Orientate.
  • Orientating Dictionary O - past particle & verb noun of Orientate.
  • Orientate Dictionary O - verb transitive To place or turn toward the east; to cause to assume an easterly direction, or to veer eastward.
  • Orientation Dictionary O - noun The act or process of orientating; determination of the points of the compass, or the east point, in taking bearings.
  • Orientness Dictionary O - noun The quality or state of being orient or bright; splendor.
  • Orifice Dictionary O - noun A mouth or aperture, as of a tube, pipe, etc.; an opening; as, the orifice of an artery or vein; the orifice of a wound.
  • Oriflamb Dictionary O - noun Alt. of Oriflamme.
  • Oriflamme Dictionary O - noun The ancient royal standard of France.
  • Origan Dictionary O - noun Alt. of Origanum.
  • Origanum Dictionary O - noun A genus of aromatic labiate plants, including the sweet marjoram (O. Marjorana) and the wild marjoram (O. vulgare).
  • Origenism Dictionary O - noun The opinions of Origen of Alexandria, who lived in the 3d century, one of the most learned of the Greek Fathers. Prominent in his teaching was the doctrine that all created beings, including Satan, will ultimately be saved.
  • Origenist Dictionary O - noun A follower of Origen of Alexandria.
  • Origin Dictionary O - noun The first existence or beginning of anything; the birth.
  • Originable Dictionary O - adjective Capable of being originated.
  • Original Dictionary O - adjective Pertaining to the origin or beginning; preceding all others; first in order; primitive; primary; pristine; as, the original state of man; the original laws of a country; the original inventor of a process.
  • Originalist Dictionary O - noun One who is original.
  • Originality Dictionary O - noun The quality or state of being original.
  • Originally Dictionary O - adverb In the original time, or in an original manner; primarily; from the beginning or origin; not by derivation, or imitation.
  • Originalness Dictionary O - noun The quality of being original; originality.
  • Originant Dictionary O - adjective Originating; original.
  • Originary Dictionary O - adjective Causing existence; productive.
  • Originated Dictionary O - imperative & past particle of Originate.
  • Originating Dictionary O - past particle & verb noun of Originate.
  • Originate Dictionary O - verb transitive To give an origin or beginning to; to cause to be; to bring into existence; to produce as new.
  • Origination Dictionary O - noun The act or process of bringing or coming into existence; first production.
  • Originative Dictionary O - adjective Having power, or tending, to originate, or bring into existence; originating.
  • Originator Dictionary O - noun One who originates.
  • Orillon Dictionary O - noun A semicircular projection made at the shoulder of a bastion for the purpose of covering the retired flank, - found in old fortresses.
  • Oriol Dictionary O - noun See Oriel.
  • Oriole Dictionary O - noun Any one of various species of Old World singing birds of the family Oriolidae. They are usually conspicuously colored with yellow and black. The European or golden oriole (Oriolus galbula, or O. oriolus) has a very musical flutelike note.
  • Orion Dictionary O - noun A large and bright constellation on the equator, between the stars Aldebaran and Sirius. It contains a remarkable nebula visible to the naked eye.
  • Oriskany Dictionary O - adjective Designating, or pertaining to, certain beds, chiefly limestone, characteristic of the latest period of the Silurian age.
  • Orismological Dictionary O - adjective Of or pertaining to orismology.
  • Orismology Dictionary O - noun That departament of natural history which treats of technical terms.
  • Orison Dictionary O - noun A prayer; a supplication.
  • Orisont Dictionary O - noun Horizon.
  • Ork Dictionary O - noun See Orc.
  • Orkneyan Dictionary O - adjective Of or pertaining to the Orkney islands.
  • Orle Dictionary O - noun A bearing, in the form of a fillet, round the shield, within, but at some distance from, the border.
  • Orleans Dictionary O - noun A cloth made of worsted and cotton, - used for wearing apparel.
  • Orlo Dictionary O - noun A wind instrument of music in use among the Spaniards.
  • Orlop Dictionary O - noun The lowest deck of a vessel, esp. of a ship of war, consisting of a platform laid over the beams in the hold, on which the cables are coiled.
  • Ormer Dictionary O - noun An abalone.
  • Ormolu Dictionary O - noun A variety of brass made to resemble gold by the use of less zinc and more copper in its composition than ordinary brass contains. Its golden color is often heightened by means of lacquer of some sort, or by use of acids. Called also mosaic gold.
  • Ormuzd Dictionary O - noun The good principle, or being, of the ancient Persian religion. See Ahriman.
  • Orn Dictionary O - verb transitive To ornament; to adorn.
  • Ornament Dictionary O - noun That which embellishes or adorns; that which adds grace or beauty; embellishment; decoration; adornment.
  • Ornamented Dictionary O - imperative & past particle of Ornament.
  • Ornamenting Dictionary O - past particle & verb noun of Ornament.
  • Ornamental Dictionary O - adjective Serving to ornament; characterized by ornament; beautifying; embellishing.
  • Ornamentally Dictionary O - adverb By way of ornament.
  • Ornamentation Dictionary O - noun The act or art of ornamenting, or the state of being ornamented.
  • Ornamenter Dictionary O - noun One who ornaments; a decorator.
  • Ornate Dictionary O - adjective Adorned; decorated; beautiful.
  • Ornately Dictionary O - adverb In an ornate manner.
  • Ornateness Dictionary O - noun The quality of being ornate.
  • Ornature Dictionary O - noun Decoration; ornamentation.
  • Ornithic Dictionary O - adjective Of or pertaining to birds; as, ornithic fossils.
  • Ornithichnite Dictionary O - noun The footmark of a bird occurring in strata of stone.
  • Ornithichnology Dictionary O - noun The branch of science which treats of ornithichnites.
  • Ornitho- Dictionary O - A combining form fr. Gr. /, /, a bird.
  • Ornithodelphia Dictionary O - noun plural Same as Monotremata.
  • Ornithoidichnite Dictionary O - noun A fossil track resembling that of a bird.
  • Ornitholite Dictionary O - noun The fossil remains of a bird.
  • Ornithologic Dictionary O - adjective Alt. of Ornithological.
  • Ornithological Dictionary O - adjective Of or pertaining to ornithology.
  • Ornithologist Dictionary O - noun One skilled in ornithology; a student of ornithology; one who describes birds.
  • Ornithology Dictionary O - noun That branch of zoology which treats of the natural history of birds and their classification.
  • Ornithomancy Dictionary O - noun Divination by means of birds, their flight, etc.
  • Ornithon Dictionary O - noun An aviary; a poultry house.
  • Ornithopappi Dictionary O - noun plural An extinct order of birds. It includes only the Archaeopteryx.
  • Ornithopoda Dictionary O - noun plural An order of herbivorous dinosaurs with birdlike characteristics in the skeleton, esp. in the pelvis and hind legs, which in some genera had only three functional toes, and supported the body in walking as in Iguanodon. See Illust. in Appendix.
  • Ornithorhynchus Dictionary O - noun See Duck mole, under Duck.
  • Ornithosauria Dictionary O - noun plural An order of extinct flying reptiles; - called also Pterosauria.
  • Ornithoscelida Dictionary O - noun plural A group of extinct Reptilia, intermediate in structure (especially with regard to the pelvis) between reptiles and birds.
  • Ornithoscopy Dictionary O - noun Observation of birds and their habits.
  • Ornithotomical Dictionary O - adjective Of or pertaining to ornithotomy.
  • Ornithotomist Dictionary O - noun One who is skilled in ornithotomy.
  • Ornithotomy Dictionary O - noun The anatomy or dissection of birds.
  • Orographic Dictionary O - adjective Alt. of Orographical.
  • Orographical Dictionary O - adjective Of or pertaining to orography.
  • Orography Dictionary O - noun That branch of science which treats of mountains and mountain systems; orology; as, the orography of Western Europe.
  • Orohippus Dictionary O - noun A genus of American Eocene mammals allied to the horse, but having four toes in front and three behind.
  • Oroide Dictionary O - noun An alloy, chiefly of copper and zinc or tin, resembling gold in color and brilliancy.
  • Orological Dictionary O - adjective Of or pertaining to orology.
  • Orologist Dictionary O - noun One versed in orology.
  • Orology Dictionary O - noun The science or description of mountains.
  • Orotund Dictionary O - adjective Characterized by fullness, clearness, strength, and smoothness; ringing and musical; - said of the voice or manner of utterance.
  • Orotundity Dictionary O - noun The orotund mode of intonation.
  • Orphaline Dictionary O - noun See Orpheline.
  • Orphan Dictionary O - noun A child bereaved of both father and mother; sometimes, also, a child who has but one parent living.
  • Orphaned Dictionary O - imperative & past particle of Orphan.
  • Orphaning Dictionary O - past particle & verb noun of Orphan.
  • Orphanage Dictionary O - noun The state of being an orphan; orphanhood; orphans, collectively.
  • Orphancy Dictionary O - noun Orphanhood.
  • Orphanet Dictionary O - noun A little orphan.
  • Orphanhood Dictionary O - noun The state or condition of being an orphan; orphanage.
  • Orphanism Dictionary O - noun Orphanhood.
  • Orphanotrophism Dictionary O - noun The care and support of orphans.
  • Orphanotrophy Dictionary O - noun A hospital for orphans.
  • Orpharion Dictionary O - noun An old instrument of the lute or cittern kind.
  • Orphean Dictionary O - adjective Of or pertaining to Orpheus, the mythic poet and musician; as, Orphean strains.
  • Orpheline Dictionary O - noun An orphan.
  • Orpheus Dictionary O - noun The famous mythic Thracian poet, son of the Muse Calliope, and husband of Eurydice. He is reputed to have had power to entrance beasts and inanimate objects by the music of his lyre.
  • Orphic Dictionary O - adjective Pertaining to Orpheus; Orphean; as, Orphic hymns.
  • Orphrey Dictionary O - noun A band of rich embroidery, wholly or in part of gold, affixed to vestments, especially those of ecclesiastics.
  • Orpiment Dictionary O - noun Arsenic sesquisulphide, produced artificially as an amorphous lemonyellow powder, and occurring naturally as a yellow crystalline mineral; - formerly called auripigment. It is used in king's yellow, in white Indian fire, and in certain technical processes, as indigo printing.
  • Orpin Dictionary O - noun A yellow pigment of various degrees of intensity, approaching also to red.
  • Orpine Dictionary O - noun A low plant with fleshy leaves (Sedum telephium), having clusters of purple flowers. It is found on dry, sandy places, and on old walls, in England, and has become naturalized in America. Called also stonecrop, and live-forever.
  • Orrach Dictionary O - noun See Orach.
  • Orreries Dictionary O - pleural of Orrery.
  • Orrery Dictionary O - noun An apparatus which illustrates, by the revolution of balls moved by wheelwork, the relative size, periodic motions, positions, orbits, etc., of bodies in the solar system.
  • Orris Dictionary O - noun A plant of the genus Iris (I. Florentina); a kind of flower-de-luce. Its rootstock has an odor resembling that of violets.
  • Orsedew Dictionary O - noun Alt. of Orsedue.
  • Orsedue Dictionary O - noun Leaf metal of bronze; Dutch metal. See under Dutch.
  • Orseille Dictionary O - noun See Archil.
  • Orsellic Dictionary O - adjective Pertaining to, or designating, an acid found in certain lichens, and called also lecanoric acid.
  • Orsellinic Dictionary O - adjective Pertaining to, or designating, an organic acid obtained by a partial decomposition of orsellic acid as a white crystalline substance, and related to protocatechuic acid.
  • Orts Dictionary O - pleural of Ort.
  • Ort Dictionary O - noun A morsel left at a meal; a fragment; refuse; - commonly used in the plural.
  • Ortalidian Dictionary O - noun Any one of numerous small two-winged flies of the family Ortalidae. The larvae of many of these flies live in fruit; those of others produce galls on various plants.
  • Orthid Dictionary O - noun A brachiopod shell of the genus Orthis, and allied genera, of the family Orthidae.
  • Orthis Dictionary O - noun An extinct genus of Brachiopoda, abundant in the Paleozoic rocks.
  • Orthite Dictionary O - noun A variety of allanite occurring in slender prismatic crystals.
  • Ortho- Dictionary O - A combining form signifying straight, right, upright, correct, regular; as, orthodromy, orthodiagonal, orthodox, orthographic.
  • Orthocarbonic Dictionary O - adjective Designating a complex ether, C.(OC2H5)4, which is obtained as a liquid of a pleasant ethereal odor by means of chlorpicrin, and is believed to be a derivative of the hypothetical normal carbonic acid, C.(OH)4.
  • Orthocenter Dictionary O - noun That point in which the three perpendiculars let fall from the angles of a triangle upon the opposite sides, or the sides produced, mutually intersect.
  • Orthoceras Dictionary O - noun An extinct genus of Paleozoic Cephalopoda, having a long, straight, conical shell. The interior is divided into numerous chambers by transverse septa.
  • Orthoceratite Dictionary O - noun An orthoceras; also, any fossil shell allied to Orthoceras.
  • Orthoclase Dictionary O - noun Common or potash feldspar crystallizing in the monoclinic system and having two cleavages at right angles to each other. See Feldspar.
  • Orthoclastic Dictionary O - adjective Breaking in directions at right angles to each other; - said of the monoclinic feldspars.
  • Orthodiagonal Dictionary O - noun The diagonal or lateral axis in a monoclinic crystal which is at right angles with the vertical axis.
  • Orthodome Dictionary O - noun See the Note under Dome, 4.
  • Orthodox Dictionary O - adjective Sound in opinion or doctrine, especially in religious doctrine; hence, holding the Christian faith; believing the doctrines taught in the Scriptures; - opposed to heretical and heterodox; as, an orthodox Christian.
  • Orthodoxal Dictionary O - adjective Pertaining to, or evincing, orthodoxy; orthodox.
  • Orthodoxality Dictionary O - noun Orthodoxness.
  • Orthodoxally Dictionary O - adverb Orthodoxly.
  • Orthodoxastical Dictionary O - adjective Orthodox.
  • Orthodoxical Dictionary O - adjective Pertaining to, or evincing, orthodoxy; orthodox.
  • Orthodoxly Dictionary O - adverb In an orthodox manner; with soundness of faith.
  • Orthodoxness Dictionary O - noun The quality or state of being orthodox; orthodoxy.
  • Orthodoxy Dictionary O - noun Soundness of faith; a belief in the doctrines taught in the Scriptures, or in some established standard of faith; - opposed to heterodoxy or to heresy.
  • Orthodromic Dictionary O - adjective Of or pertaining to orthodromy.
  • Orthodromics Dictionary O - noun The art of sailing in a direct course, or on the arc of a great circle, which is the shortest distance between any two points on the surface of the globe; great-circle sailing; orthodromy.
  • Orthodromy Dictionary O - noun The act or art of sailing on a great circle.
  • Orthoepic Dictionary O - adjective Alt. of Orthoepical.
  • Orthoepical Dictionary O - adjective Of or pertaining to orthoepy, or correct pronunciation.
  • Orthoepist Dictionary O - noun One who is skilled in orthoepy.
  • Orthoepy Dictionary O - noun The art of uttering words correctly; a correct pronunciation of words; also, mode of pronunciation.
  • Orthogamy Dictionary O - noun Direct fertilization in plants, as when the pollen fertilizing the ovules comes from the stamens of the same blossom; - opposed to heterogamy.
  • Orthognathic Dictionary O - adjective Orthognathous.
  • Orthognathism Dictionary O - noun The quality or state of being orthognathous.
  • Orthognathous Dictionary O - adjective Having the front of the head, or the skull, nearly perpendicular, not retreating backwards above the jaws; - opposed to prognathous. See Gnathic index, under Gnathic.
  • Orthogon Dictionary O - noun A rectangular figure.
  • Orthogonal Dictionary O - adjective Right-angled; rectangular; as, an orthogonal intersection of one curve with another.
  • Orthogonally Dictionary O - adverb Perpendicularly; at right angles; as, a curve cuts a set of curves orthogonally.
  • Orthographer Dictionary O - noun One versed in orthography; one who spells words correctly.
  • Orthographic Dictionary O - adjective Alt. of Orthographical.
  • Orthographical Dictionary O - adjective Of or pertaining to orthography, or right spelling; also, correct in spelling; as, orthographical rules; the letter was orthographic.
  • Orthographically Dictionary O - adverb In an orthographical manner.
  • Orthographist Dictionary O - noun One who spells words correctly; an orthographer.
  • Orthographize Dictionary O - verb transitive To spell correctly or according to usage; to correct in regard to spelling.
  • Orthography Dictionary O - noun The art or practice of writing words with the proper letters, according to standard usage; conventionally correct spelling; also, mode of spelling; as, his orthography is vicious.
  • Orthology Dictionary O - noun The right description of things.
  • Orthometric Dictionary O - adjective Having the axes at right angles to one another; - said of crystals or crystalline forms.
  • Orthometry Dictionary O - noun The art or practice of constructing verses correctly; the laws of correct versification.
  • Orthomorphic Dictionary O - adjective Having the right form.
  • Orthopedic Dictionary O - adjective Alt. of Orthopedical.
  • Orthopedical Dictionary O - adjective Pertaining to, or employed in, orthopedy; relating to the prevention or cure of deformities of children, or, in general, of the human body at any age; as, orthopedic surgery; an orthopedic hospital.
  • Orthopedist Dictionary O - noun One who prevents, cures, or remedies deformities, esp. in children.
  • Orthopedy Dictionary O - noun The art or practice of curing the deformities of children, or, by extension, any deformities of the human body.
  • Orthophony Dictionary O - noun The art of correct articulation; voice training.
  • Orthopinacoid Dictionary O - noun A name given to the two planes in the monoclinic system which are parallel to the vertical and orthodiagonal axes.
  • Orthopn/a Dictionary O - noun Alt. of Orthopny.
  • Orthopny Dictionary O - noun Specifically, a morbid condition in which respiration can be performed only in an erect posture; by extension, any difficulty of breathing.
  • Orthopoda Dictionary O - noun plural An extinct order of reptiles which stood erect on the hind legs, and resembled birds in the structure of the feet, pelvis, and other parts.
  • Orthopraxy Dictionary O - noun The treatment of deformities in the human body by mechanical appliances.
  • Orthoptera Dictionary O - noun plural An order of mandibulate insects including grasshoppers, locusts, cockroaches, etc. See Illust. under Insect.
  • Orthopteran Dictionary O - noun One of the Orthoptera.
  • Orthopterous Dictionary O - adjective Of or pertaining to the Orthoptera.
  • Orthorhombic Dictionary O - adjective Noting the system of crystallization which has three unequal axes at right angles to each other; trimetric. See Crystallization.
  • Orthoscope Dictionary O - noun An instrument designed to show the condition of the superficial portions of the eye.
  • Orthoscopic Dictionary O - adjective Giving an image in correct or normal proportions; giving a flat field of view; as, an orthoscopic eyepiece.
  • Orthosilicic Dictionary O - adjective Designating the form of silicic acid having the normal or highest number of hydroxyl groups.
  • Orthospermous Dictionary O - adjective Having the seeds straight, as in the fruits of some umbelliferous plants; - opposed to coelospermous.
  • Orthostade Dictionary O - noun A chiton, or loose, ungirded tunic, falling in straight folds.
  • Orthostichies Dictionary O - pleural of Orthostichy.
  • Orthostichy Dictionary O - noun A longitudinal rank, or row, of leaves along a stem.
  • Orthotomic Dictionary O - adjective Cutting at right angles.
  • Orthotomous Dictionary O - adjective Having two cleavages at right angles with one another.
  • Orthotomy Dictionary O - noun The property of cutting at right angles.
  • Orthotone Dictionary O - adjective Retaining the accent; not enclitic; - said of certain indefinite pronouns and adverbs when used interrogatively, which, when not so used, are ordinarilly enclitic.
  • Orthotropal Dictionary O - adjective Alt. of Orthotropous.
  • Orthotropous Dictionary O - adjective Having the axis of an ovule or seed straight from the hilum and chalaza to the orifice or the micropyle; atropous.
  • Orthotropic Dictionary O - adjective Having the longer axis vertical; - said of erect stems.
  • Orthoxylene Dictionary O - noun That variety of xylene in which the two methyl groups are in the ortho position; a colorless, liquid, combustible hydrocarbon resembling benzene.
  • Ortive Dictionary O - adjective Of or relating to the time or act of rising; eastern; as, the ortive amplitude of a planet.
  • Ortolan Dictionary O - noun A European singing bird (Emberiza hortulana), about the size of the lark, with black wings. It is esteemed delicious food when fattened. Called also bunting.
  • Ortygan Dictionary O - noun One of several species of East Indian birds of the genera Ortygis and Hemipodius. They resemble quails, but lack the hind toe. See Turnix.
  • Orval Dictionary O - noun A kind of sage (Salvia Horminum).
  • Orvet Dictionary O - noun The blindworm.
  • Orvietan Dictionary O - noun A kind of antidote for poisons; a counter poison formerly in vogue.
  • -ory Dictionary O - An adjective suffix meaning of or pertaining to, serving for; as in auditory, pertaining to or serving for hearing; prohibitory, amendatory, etc.
  • Oryal Dictionary O - noun Alt. of Oryall.
  • Oryall Dictionary O - noun See Oriel.
  • Oryctere Dictionary O - noun The aard-vark.
  • Orycterope Dictionary O - noun Same as Oryctere.
  • Oryctognosy Dictionary O - noun Mineralogy.
  • Oryctography Dictionary O - noun Description of fossils.
  • Oryctological Dictionary O - adjective Of or pertaining to oryctology.
  • Oryctologist Dictionary O - noun One versed in oryctology.
  • Oryctology Dictionary O - noun An old name for paleontology.
  • Oryx Dictionary O - noun A genus of African antelopes which includes the gemsbok, the leucoryx, the bisa antelope (O. beisa), and the beatrix antelope (O. beatrix) of Arabia.
  • Oryza Dictionary O - noun A genus of grasses including the rice plant; rice.
  • Ossa Dictionary O - pleural of Os.
  • Os Dictionary O - noun A bone.
  • Osar Dictionary O - pleural of Os.
  • Osage orange Dictionary O - An ornamental tree of the genus Maclura (M. aurantiaca), closely allied to the mulberry (Morus); also, its fruit. The tree was first found in the country of the Osage Indians, and bears a hard and inedible fruit of an orangelike appearance. See Bois d'arc.
  • Osages Dictionary O - noun plural A tribe of southern Sioux Indians, now living in the Indian Territory.
  • Osanne Dictionary O - noun Hosanna.
  • Oscan Dictionary O - adjective Of or pertaining to the Osci, a primitive people of Campania, a province of ancient Italy.
  • Oscillancy Dictionary O - noun The state of oscillating; a seesaw kind of motion.
  • Oscillaria Dictionary O - noun A genus of dark green, or purplish black, filamentous, fresh-water algae, the threads of which have an automatic swaying or crawling motion. Called also Oscillatoria.
  • Oscillated Dictionary O - imperative & past particle of Oscillate.
  • Oscillating Dictionary O - past particle & verb noun of Oscillate.
  • Oscillate Dictionary O - intransitive verb To move backward and forward; to vibrate like a pendulum; to swing; to sway.
  • Oscillation Dictionary O - noun The act of oscillating; a swinging or moving backward and forward, like a pendulum; vibration.
  • Oscillative Dictionary O - adjective Tending to oscillate; vibratory.
  • Oscillatoria Dictionary O - noun plural Same as Oscillaria.
  • Oscillatory Dictionary O - adjective Moving, or characterized by motion, backward and forward like a pendulum; swinging; oscillating; vibratory; as, oscillatory motion.
  • Oscine Dictionary O - adjective Relating to the Oscines.
  • Oscines Dictionary O - noun plural Singing birds; a group of the Passeres, having numerous syringeal muscles, conferring musical ability.
  • Oscinian Dictionary O - noun One of the Oscines, or singing birds.
  • Oscinine Dictionary O - adjective Of or pertaining to the Oscines.
  • Oscitancy Dictionary O - noun The act of gaping or yawning.
  • Oscitant Dictionary O - adjective Yawning; gaping.
  • Oscitantly Dictionary O - adverb In an oscitant manner.
  • Oscitate Dictionary O - intransitive verb To gape; to yawn.
  • Oscitation Dictionary O - noun The act of yawning or gaping.
  • Osculant Dictionary O - adjective Kissing; hence, meeting; clinging.
  • Osculated Dictionary O - imperative & past particle of Osculate.
  • Osculating Dictionary O - past particle & verb noun of Osculate.
  • Osculate Dictionary O - verb transitive To kiss.
  • Osculation Dictionary O - noun The act of kissing; a kiss.
  • Osculatory Dictionary O - adjective Of or pertaining to kissing; kissing.
  • Osculatrixes Dictionary O - pleural of Osculatrix.
  • Osculatrix Dictionary O - noun A curve whose contact with a given curve, at a given point, is of a higher order (or involves the equality of a greater number of successive differential coefficients of the ordinates of the curves taken at that point) than that of any other curve of the same kind.
  • Oscule Dictionary O - noun One of the excurrent apertures of sponges.
  • Oscula Dictionary O - pleural of Osculum.
  • Osculum Dictionary O - noun Same as Oscule.
  • -ose Dictionary O - A suffix denoting full of, containing, having the qualities of, like; as in verbose, full of words; pilose, hairy; globose, like a globe.
  • Osier Dictionary O - noun A kind of willow (Salix viminalis) growing in wet places in Europe and Asia, and introduced into North America. It is considered the best of the willows for basket work. The name is sometimes given to any kind of willow.
  • Osiered Dictionary O - adjective Covered or adorned with osiers; as, osiered banks.
  • Osiery Dictionary O - noun An osier bed.
  • Osiris Dictionary O - noun One of the principal divinities of Egypt, the brother and husband of Isis. He was figured as a mummy wearing the royal cap of Upper Egypt, and was symbolized by the sacred bull, called Apis. Cf. Serapis.
  • Osmanlis Dictionary O - pleural of Osmanli.
  • Osmanli Dictionary O - noun A Turkish official; one of the dominant tribe of Turks; loosely, any Turk.
  • Osmate Dictionary O - noun A salt of osmic acid.
  • Osmateria Dictionary O - pleural of Osmaterium.
  • Osmaterium Dictionary O - noun One of a pair of scent organs which the larvae of certain butterflies emit from the first body segment, either above or below.
  • Osmazome Dictionary O - noun A substance formerly supposed to give to soup and broth their characteristic odor, and probably consisting of one or several of the class of nitrogenous substances which are called extractives.
  • Osmiamate Dictionary O - noun A salt of osmiamic acid.
  • Osmiamic Dictionary O - adjective Of, pertaining to, or designating, a nitrogenous acid of osmium, H2N2Os2O5, forming a well-known series of yellow salts.
  • Osmic Dictionary O - adjective Pertaining to, derived from, or containing, osmium; specifically, designating those compounds in which it has a valence higher than in other lower compounds; as, osmic oxide.
  • Osmidrosis Dictionary O - noun The secretion of fetid sweat.
  • Osmious Dictionary O - adjective Denoting those compounds of osmium in which the element has a valence relatively lower than in the osmic compounds; as, osmious chloride.
  • Osmite Dictionary O - noun A salt of osmious acid.
  • Osmium Dictionary O - noun A rare metallic element of the platinum group, found native as an alloy in platinum ore, and in iridosmine. It is a hard, infusible, bluish or grayish white metal, and the heaviest substance known. Its tetroxide is used in histological experiments to stain tissues. Symbol Os. Atomic weight 191.1. Specific gravity 22.477.
  • Osmometer Dictionary O - noun An instrument for measuring the amount of osmotic action in different liquids.
  • Osmometry Dictionary O - noun The study of osmose by means of the osmometer.
  • Osmose Dictionary O - noun The tendency in fluids to mix, or become equably diffused, when in contact. It was first observed between fluids of differing densities, and as taking place through a membrane or an intervening porous structure. The more rapid flow from the thinner to the thicker fluid was then called endosmose, and the opposite, slower current, exosmose. Both are, however, results of the same force. Osmose may be regarded as a form of molecular attraction, allied to that of adhesion.
  • Osmosis Dictionary O - noun Osmose.
  • Osmotic Dictionary O - adjective Pertaining to, or having the property of, osmose; as, osmotic force.
  • Osmund Dictionary O - noun A fern of the genus Osmunda, or flowering fern. The most remarkable species is the osmund royal, or royal fern (Osmunda regalis), which grows in wet or boggy places, and has large bipinnate fronds, often with a panicle of capsules at the top. The rootstock contains much starch, and has been used in stiffening linen.
  • Osnaburg Dictionary O - noun A species of coarse linen, originally made in Osnaburg, Germany.
  • Oso-berry Dictionary O - noun The small, blueblack, drupelike fruit of the Nuttallia cerasiformis, a shrub of Oregon and California, belonging to the Cherry tribe of Rosaceae.
  • Osphradia Dictionary O - pleural of Osphradium.
  • Osphradium Dictionary O - noun The olfactory organ of some Mollusca. It is connected with the organ of respiration.
  • Osprey Dictionary O - noun Alt. of Ospray.
  • Ospray Dictionary O - noun The fishhawk.
  • Oss Dictionary O - noun To prophesy; to presage.
  • Osse Dictionary O - noun A prophetic or ominous utterance.
  • Ossean Dictionary O - noun A fish having a bony skeleton; a teleost.
  • Ossein Dictionary O - noun The organic basis of bone tissue; the residue after removal of the mineral matters from bone by dilute acid; in embryonic tissue, the substance in which the mineral salts are deposited to form bone; - called also ostein. Chemically it is the same as collagen.
  • Osselet Dictionary O - noun A little bone.
  • Osseous Dictionary O - adjective Composed of bone; resembling bone; capable of forming bone; bony; ossific.
  • Osseter Dictionary O - noun A species of sturgeon.
  • Ossianic Dictionary O - adjective Of or pertaining to, or characteristic of, Ossian, a legendary Erse or Celtic bard.
  • Ossicle Dictionary O - noun A little bone; as, the auditory ossicles in the tympanum of the ear.
  • Ossiculated Dictionary O - adjective Having small bones.
  • Ossicula Dictionary O - pleural of Ossiculum.
  • Ossiculum Dictionary O - noun Same as Ossicle.
  • Ossiferous Dictionary O - adjective Containing or yielding bone.
  • Ossific Dictionary O - adjective Capable of producing bone; having the power to change cartilage or other tissue into bone.
  • Ossification Dictionary O - noun The formation of bone; the process, in the growth of an animal, by which inorganic material (mainly lime salts) is deposited in cartilage or membrane, forming bony tissue; ostosis.
  • Ossified Dictionary O - adjective Changed to bone or something resembling bone; hardened by deposits of mineral matter of any kind; - said of tissues.
  • Ossifrage Dictionary O - noun The lammergeir.
  • Ossifragous Dictionary O - adjective Serving to break bones; bone-breaking.
  • Ossifying Dictionary O - past particle & verb noun of Ossify.
  • Ossify Dictionary O - verb transitive To form into bone; to change from a soft animal substance into bone, as by the deposition of lime salts.
  • Ossivorous Dictionary O - adjective Feeding on bones; eating bones; as, ossivorous quadrupeds.
  • Osspringer Dictionary O - noun The osprey.
  • Ossuarium Dictionary O - noun A charnel house; an ossuary.
  • Ossuary Dictionary O - noun A place where the bones of the dead are deposited; a charnel house.
  • Ost Dictionary O - noun See Oast.
  • Osteal Dictionary O - adjective Osseous.
  • Ostein Dictionary O - noun Ossein.
  • Osteitis Dictionary O - noun Inflammation of bone.
  • Osteler Dictionary O - noun Same as Hosteler.
  • Ostend Dictionary O - verb transitive To exhibit; to manifest.
  • Ostensibility Dictionary O - noun The quality or state of being ostensible.
  • Ostensible Dictionary O - adjective Capable of being shown; proper or intended to be shown.
  • Ostensibly Dictionary O - adverb In an ostensible manner; avowedly; professedly; apparently.
  • Ostension Dictionary O - noun The showing of the sacrament on the altar in order that it may receive the adoration of the communicants.
  • Ostensive Dictionary O - adjective Showing; exhibiting.
  • Ostensively Dictionary O - adverb In an ostensive manner.
  • -soria Dictionary O - pleural of Ostensory.
  • -sories Dictionary O - pleural of Ostensory.
  • Ostensorium Dictionary O - noun Alt. of Ostensory.
  • Ostensory Dictionary O - noun Same as Monstrance.
  • Ostent Dictionary O - noun Appearance; air; mien.
  • Ostentate Dictionary O - verb transitive To make an ambitious display of; to show or exhibit boastingly.
  • Ostentation Dictionary O - noun The act of ostentating or of making an ambitious display; unnecessary show; pretentious parade; - usually in a detractive sense.
  • Ostentatious Dictionary O - adjective Fond of, or evincing, ostentation; unduly conspicuous; pretentious; boastful.
  • Ostentator Dictionary O - noun One fond of display; a boaster.
  • Ostentive Dictionary O - adjective Ostentatious.
  • Ostentous Dictionary O - adjective Ostentatious.
  • Osteo- Dictionary O - A combining form of Gr. / a bone.
  • Osteoblast Dictionary O - noun One of the protoplasmic cells which occur in the osteogenetic layer of the periosteum, and from or around which the matrix of the bone is developed; an osteoplast.
  • Osteoclasis Dictionary O - noun The operation of breaking a bone in order to correct deformity.
  • Osteoclast Dictionary O - noun A myeloplax.
  • Osteocolla Dictionary O - noun A kind of glue obtained from bones.
  • Osteocommata Dictionary O - pleural of Osteocomma.
  • Osteocommas Dictionary O - pleural of Osteocomma.
  • Osteocomma Dictionary O - noun A metamere of the vertebrate skeleton; an osteomere; a vertebra.
  • Osteocope Dictionary O - noun Pain in the bones; a violent fixed pain in any part of a bone.
  • Osteocranium Dictionary O - noun The bony cranium, as distinguished from the cartilaginous cranium.
  • Osteodentine Dictionary O - noun A hard substance, somewhat like bone, which is sometimes deposited within the pulp cavity of teeth.
  • Osteogen Dictionary O - noun The soft tissue, or substance, which, in developing bone, ultimately undergoes ossification.
  • Osteogenesis Dictionary O - noun Alt. of Osteogeny.
  • Osteogeny Dictionary O - noun The formation or growth of bone.
  • Osteogenetic Dictionary O - adjective Connected with osteogenesis, or the formation of bone; producing bone; as, osteogenetic tissue; the osteogenetic layer of the periosteum.
  • Osteogenic Dictionary O - adjective Osteogenetic.
  • Osteographer Dictionary O - noun An osteologist.
  • Osteography Dictionary O - noun The description of bones; osteology.
  • Osteoid Dictionary O - adjective Resembling bone; bonelike.
  • Osteolite Dictionary O - noun A massive impure apatite, or calcium phosphate.
  • Osteologer Dictionary O - noun One versed in osteology; an osteologist.
  • Osteologic Dictionary O - adjective Alt. of Osteological.
  • Osteological Dictionary O - adjective Of or pertaining to osteology.
  • Osteologist Dictionary O - noun One who is skilled in osteology; an osteologer.
  • Osteology Dictionary O - noun The science which treats of the bones of the vertebrate skeleton.
  • Osteomata Dictionary O - pleural of Osteoma.
  • Osteoma Dictionary O - noun A tumor composed mainly of bone; a tumor of a bone.
  • Osteomalacia Dictionary O - noun A disease of the bones, in which they lose their earthy material, and become soft, flexible, and distorted. Also called malacia.
  • Osteomanty Dictionary O - noun Divination by means of bones.
  • Osteomere Dictionary O - noun An osteocomma.
  • Osteophone Dictionary O - noun An instrument for transmission of auditory vibrations through the bones of the head, so as to be appreciated as sounds by persons deaf from causes other than those affecting the nervous apparatus of hearing.
  • Osteoplast Dictionary O - noun An osteoblast.
  • Osteoplastic Dictionary O - adjective Producing bone; as, osteoplastic cells.
  • Osteoplasty Dictionary O - noun An operation or process by which the total or partial loss of a bone is remedied.
  • Osteopterygious Dictionary O - adjective Having bones in the fins, as certain fishes.
  • Osteosarcomata Dictionary O - pleural of Osteosarcoma.
  • Osteosarcoma Dictionary O - noun A tumor having the structure of a sacroma in which there is a deposit of bone; sarcoma connected with bone.
  • Osteotome Dictionary O - noun Strong nippers or a chisel for dividing bone.
  • Osteotomist Dictionary O - noun One skilled in osteotomy.
  • Osteotomy Dictionary O - noun The dissection or anatomy of bones; osteology.
  • Osteozoa Dictionary O - noun plural Same as Vertebrata.
  • Ostiary Dictionary O - noun The mouth of a river; an estuary.
  • Ostic Dictionary O - adjective Pertaining to, or applied to, the language of the Tuscaroras, Iroquois, Wyandots, Winnebagoes, and a part of the Sioux Indians.
  • Ostiole Dictionary O - noun The exterior opening of a stomate. See Stomate.
  • Ostitis Dictionary O - noun See Osteitis.
  • Ostia Dictionary O - pleural of Ostium.
  • Ostium Dictionary O - noun An opening; a passage.
  • Ostler Dictionary O - noun See Hostler.
  • Ostleress Dictionary O - noun A female ostler.
  • Ostlery Dictionary O - noun See Hostelry.
  • Ostmen Dictionary O - noun plural East men; Danish settlers in Ireland, formerly so called.
  • Ostosis Dictionary O - noun Bone formation; ossification. See Ectostosis, and Endostosis.
  • Ostracea Dictionary O - noun plural A division of bivalve mollusks including the oysters and allied shells.
  • Ostracean Dictionary O - noun Any one of a family of bivalves, of which the oyster is the type.
  • Ostracion Dictionary O - noun A genus of plectognath fishes having the body covered with solid, immovable, bony plates. It includes the trunkfishes.
  • Ostraciont Dictionary O - noun A fish of the genus Ostracion and allied genera.
  • Ostracism Dictionary O - noun Banishment by popular vote, - a means adopted at Athens to rid the city of a person whose talent and influence gave umbrage.
  • Ostracite Dictionary O - noun A fossil oyster.
  • Ostracized Dictionary O - imperative & past particle of Ostracize.
  • Ostracizing Dictionary O - past particle & verb noun of Ostracize.
  • Ostracize Dictionary O - verb transitive To exile by ostracism; to banish by a popular vote, as at Athens.
  • Ostracoda Dictionary O - noun plural Ostracoidea.
  • Ostracodermi Dictionary O - noun plural A suborder of fishes of which Ostracion is the type.
  • Ostracoid Dictionary O - adjective Of or pertaining to the Ostracoidea.
  • Ostracoidea Dictionary O - noun plural An order of Entomostraca possessing hard bivalve shells. They are of small size, and swim freely about.
  • Ostrea Dictionary O - noun A genus of bivalve Mollusca which includes the true oysters.
  • Ostreaceous Dictionary O - adjective Of or pertaining to an oyster, or to a shell; shelly.
  • Ostreaculture Dictionary O - noun The artificial cultivation of oysters.
  • Ostreophagist Dictionary O - noun One who feeds on oysters.
  • Ostrich Dictionary O - noun A large bird of the genus Struthio, of which Struthio camelus of Africa is the best known species. It has long and very strong legs, adapted for rapid running; only two toes; a long neck, nearly bare of feathers; and short wings incapable of flight. The adult male is about eight feet high.
  • Ostriferous Dictionary O - adjective Producing oysters; containing oysters.
  • Ostrogoth Dictionary O - noun One of the Eastern Goths. See Goth.
  • Ostrogothic Dictionary O - adjective Of or pertaining to the Ostrogoths.
  • Oswego tea Dictionary O - An American aromatic herb (Monarda didyma), with showy, bright red, labiate flowers.
  • Otacoustic Dictionary O - adjective Assisting the sense of hearing; as, an otacoustic instrument.
  • Otacousticon Dictionary O - noun An instrument to facilitate hearing, as an ear trumpet.
  • Otaheite apple Dictionary O - The fruit of a Polynesian anacardiaceous tree (Spondias dulcis), also called vi-apple. It is rather larger than an apple, and the rind has a flavor of turpentine, but the flesh is said to taste like pineapples.
  • Otalgia Dictionary O - noun Pain in the ear; earache.
  • Otalgic Dictionary O - adjective Of or pertaining to otalgia.
  • Otalgy Dictionary O - noun Pain in the ear; otalgia.
  • Otaries Dictionary O - pleural of Otary.
  • Otary Dictionary O - noun Any eared seal.
  • Otheoscope Dictionary O - noun An instrument for exhibiting the repulsive action produced by light or heat in an exhausted vessel; a modification of the radoimeter.
  • Other Dictionary O - conjecture Either; - used with other or or for its correlative (as either . . . or are now used).
  • Othergates Dictionary O - adverb In another manner.
  • Otherguise Dictionary O - adjective & adverb Alt. of Otherguess.
  • Otherguess Dictionary O - adjective & adverb Of another kind or sort; in another way.
  • Otherness Dictionary O - noun The quality or state of being other or different; alterity; oppositeness.
  • Otherways Dictionary O - adverb See Otherwise.
  • Otherwhere Dictionary O - adverb In or to some other place, or places; elsewhere.
  • Otherwhile Dictionary O - adverb Alt. of Otherwhiles.
  • Otherwhiles Dictionary O - adverb At another time, or other times; sometimes; /ccasionally.
  • Otherwise Dictionary O - adverb In a different manner; in another way, or in other ways; differently; contrarily.
  • Othman Dictionary O - noun & adjective See Ottoman.
  • Otic Dictionary O - adjective Of, pertaining to, or in the region of, the ear; auricular; auditory.
  • Otiose Dictionary O - adjective Being at leisure or ease; unemployed; indolent; idle.
  • Otiosity Dictionary O - noun Leisure; indolence; idleness; ease.
  • Otis Dictionary O - noun A genus of birds including the bustards.
  • Otitis Dictionary O - noun Inflammation of the ear.
  • Oto- Dictionary O - A combining form denoting relation to, or situation near or in, the ear.
  • Otoba fat Dictionary O - A colorless buttery substance obtained from the fruit of Myristica otoba, a species of nutmeg tree.
  • Otoconite Dictionary O - noun A mass of otoliths.
  • Otocrane Dictionary O - noun The cavity in the skull in which the parts of the internal ear are lodged.
  • Otocranial Dictionary O - adjective Of or pertaining to the otocrane.
  • Otocyst Dictionary O - noun An auditory cyst or vesicle; one of the simple auditory organs of many invertebrates, containing a fluid and otoliths; also, the embryonic vesicle from which the parts of the internal ear of vertebrates are developed.
  • Otography Dictionary O - noun A description of the ear.
  • Otolith Dictionary O - noun Alt. of Otolite.
  • Otolite Dictionary O - noun One of the small bones or particles of calcareous or other hard substance in the internal ear of vertebrates, and in the auditory organs of many invertebrates; an ear stone. Collectively, the otoliths are called ear sand and otoconite.
  • Otolithic Dictionary O - adjective Alt. of Otolitic.
  • Otolitic Dictionary O - adjective Of or pertaining to otoliths.
  • Otological Dictionary O - adjective Of or pertaining tootology.
  • Otologist Dictionary O - noun One skilled in otology; an aurist.
  • Otology Dictionary O - noun The branch of science which treats of the ear and its diseases.
  • Otopathy Dictionary O - noun A diseased condition of the ear.
  • Otorrh/a Dictionary O - noun A flow or running from the ear, esp. a purulent discharge.
  • Otoscope Dictionary O - noun An instrument for examining the condition of the ear.
  • Otoscopeic Dictionary O - adjective Of or pertaining to the otoscope or to otoscopy.
  • Otoscopy Dictionary O - noun The examination of the ear; the art of using the otoscope.
  • Otosteal Dictionary O - noun An auditory ossicle.
  • Otozoum Dictionary O - noun An extinct genus of huge vertebrates, probably dinosaurs, known only from four-toed tracks in Triassic sandstones.
  • Ottar Dictionary O - noun See Attar.
  • Ottawas Dictionary O - noun plural A tribe of Indians who, when first known, lived on the Ottawa River. Most of them subsequently migrated to the southwestern shore of Lake Superior.
  • Otter Dictionary O - noun Any carnivorous animal of the genus Lutra, and related genera. Several species are described. They have large, flattish heads, short ears, and webbed toes. They are aquatic, and feed on fish. Their fur is soft and valuable. The common otter of Europe is Lutra vulgaris; the American otter is L. Canadensis; other species inhabit South America and Asia.
  • Otto Dictionary O - noun See Attar.
  • Ottoman Dictionary O - adjective Of or pertaining to the Turks; as, the Ottoman power or empire.
  • Ottomans Dictionary O - pleural of Ottoman.
  • Ottomite Dictionary O - noun An Ottoman.
  • Ottrelite Dictionary O - noun A micaceous mineral occurring in small scales. It is characteristic of certain crystalline schists.
  • Ouakari Dictionary O - noun Any South American monkey of the genus Brachyurus, especially B. ouakari.
  • Ouanderoo Dictionary O - noun The wanderoo.
  • Ouarine Dictionary O - noun A Brazilian monkey of the genus Mycetes.
  • Oubliette Dictionary O - noun A dungeon with an opening only at the top, found in some old castles and other strongholds, into which persons condemned to perpetual imprisonment, or to perish secretly, were thrust, or lured to fall.
  • Ouch Dictionary O - noun A socket or bezel holding a precious stone; hence, a jewel or ornament worn on the person.
  • Oughne Dictionary O - adjective Own.
  • Ought Dictionary O - noun & adverb See Aught.
  • Oughtness Dictionary O - noun The state of being as a thing ought to be; rightness.
  • Oughwhere Dictionary O - adverb Anywhere; somewhere. See Owher.
  • Ouistiti Dictionary O - noun See Wistit.
  • Oul Dictionary O - noun An awl.
  • Oulachan Dictionary O - noun Same as Eulachon.
  • Ounce Dictionary O - noun A weight, the sixteenth part of a pound avoirdupois, and containing 437/ grains.
  • Ounded Dictionary O - adjective Alt. of Oundy.
  • Oundy Dictionary O - adjective Wavy; waving/ curly.
  • Ounding Dictionary O - [[vb. noun Waving.
  • Ouphe Dictionary O - noun A fairy; a goblin; an elf.
  • Ouphen Dictionary O - adjective Elfish.
  • -our Dictionary O - See -or.
  • Ourang Dictionary O - noun The orang-outang.
  • Ourang-outang Dictionary O - noun See Orang-outang.
  • Ouranographist Dictionary O - noun See Uranographist.
  • Ouranography Dictionary O - noun See Uranography.
  • Ourebi Dictionary O - noun A small, graceful, and swift African antelope, allied to the klipspringer.
  • Ouretic Dictionary O - adjective Uric.
  • Ourology Dictionary O - noun See Urology.
  • Ouroscopy Dictionary O - noun Ourology.
  • -ous Dictionary O - An adjective suffix meaning full of, abounding in, having, possessing the qualities of, like; as in gracious, abounding in grace; arduous, full of ardor; bulbous, having bulbs, bulblike; riotous, poisonous, piteous, joyous, etc.
  • Ouse Dictionary O - noun & verb See Ooze.
  • Ousel Dictionary O - noun One of several species of European thrushes, especially the blackbird (Merula merula, or Turdus merula), and the mountain or ring ousel (Turdus torquatus).
  • Oust Dictionary O - noun See Oast.
  • Ousted Dictionary O - imperative & past particle of Oust.
  • Ousting Dictionary O - past particle & verb noun of Oust.
  • Ouster Dictionary O - noun A putting out of possession; dispossession; ejection; disseizin.
  • Out Dictionary O - adjective In its original and strict sense, out means from the interior of something; beyond the limits or boundary of somethings; in a position or relation which is exterior to something; - opposed to in or into. The something may be expressed after of, from, etc. (see Out of, below); or, if not expressed, it is implied; as, he is out; or, he is out of the house, office, business, etc.; he came out; or, he came out from the ship, meeting, sect, party, etc.
  • Outact Dictionary O - verb transitive To do or beyond; to exceed in acting.
  • Outagamies Dictionary O - noun plural See lst Fox, 7.
  • Outargue Dictionary O - verb transitive To surpass or conquer in argument.
  • Outbabble Dictionary O - verb transitive To utter foolishly or excessively; to surpass in babbling.
  • Outbalance Dictionary O - verb transitive To outweight; to exceed in weight or effect.
  • Outbar Dictionary O - verb transitive To bar out.
  • Outbeg Dictionary O - verb transitive To surpass in begging.
  • Outbid Dictionary O - imperative of Outbid.
  • Outbade Dictionary O - of Outbid.
  • Outbidden Dictionary O - of Outbid.
  • Outbidding Dictionary O - past particle & verb noun of Outbid.
  • Outbidder Dictionary O - noun One who outbids.
  • Outbleat Dictionary O - verb transitive To surpass in bleating.
  • Outblown Dictionary O - adjective Inflated with wind.
  • Outblush Dictionary O - verb transitive To exceed in blushing; to surpass in rosy color.
  • Outboard Dictionary O - adjective & adverb Beyond or outside of the lines of a vessel's bulwarks or hull; in a direction from the hull or from the keel; - opposed to inboard; as, outboard rigging; swing the davits outboard.
  • Outborn Dictionary O - adjective Foreign; not native.
  • Outbound Dictionary O - adjective Outward bound.
  • Outbounds Dictionary O - noun plural The farthest or exterior bounds; extreme limits; boundaries.
  • Outbow Dictionary O - verb transitive To excel in bowing.
  • Outbowed Dictionary O - adjective Convex; curved outward.
  • Outbrag Dictionary O - verb transitive To surpass in bragging; hence, to make appear inferior.
  • Outbrave Dictionary O - verb transitive To excel in bravery o/ in insolence; to defy with superior courage or audacity.
  • Outbray Dictionary O - verb transitive To exceed in braying.
  • Outbrazen Dictionary O - verb transitive To bear down with a brazen face; to surpass in impudence.
  • Outbreak Dictionary O - noun A bursting forth; eruption; insurrection.
  • Outbreaking Dictionary O - noun The act of breaking out.
  • Outbreast Dictionary O - verb transitive To surpass in singing. See Breast, n., 6.
  • Outbreathe Dictionary O - verb transitive To breathe forth.
  • Outbribe Dictionary O - verb transitive To surpass in bribing.
  • Outbring Dictionary O - verb transitive To bring or bear out.
  • Outbud Dictionary O - intransitive verb To sprout.
  • Outbuilt Dictionary O - imperative & past particle of Outbuild.
  • Outbuilded Dictionary O - of Outbuild.
  • Outbuilding Dictionary O - past particle & verb noun of Outbuild.
  • Outbuild Dictionary O - verb transitive To exceed in building, or in durability of building.
  • Outburn Dictionary O - verb transitive & intransitive To exceed in burning.
  • Outburst Dictionary O - noun A bursting forth.
  • Outcant Dictionary O - verb transitive To surpass in canting.
  • Outcast Dictionary O - adjective Cast out; degraded.
  • Outcasting Dictionary O - noun That which is cast out.
  • Outcept Dictionary O - preposition Except.
  • Outcheat Dictionary O - verb transitive To exceed in cheating.
  • Outclimb Dictionary O - verb transitive To climb bevond; to surpass in climbing.
  • Outcome Dictionary O - noun That which comes out of, or follows from, something else; issue; result; consequence; upshot.
  • Outcompass Dictionary O - verb transitive To exceed the compass or limits of.
  • Outcourt Dictionary O - noun An outer or exterior court.
  • Outcrafty Dictionary O - verb transitive To exceed in cunning.
  • Outcrier Dictionary O - noun One who cries out or proclaims; a herald or crier.
  • Outcrop Dictionary O - noun The coming out of a stratum to the surface of the ground.
  • Outcry Dictionary O - noun A vehement or loud cry; a cry of distress, alarm, opposition, or detestation; clamor.
  • Outdare Dictionary O - verb transitive To surpass in daring; to overcome by courage; to brave.
  • Outdated Dictionary O - adjective Being out of date; antiquated.
  • Outdazzle Dictionary O - verb transitive To surpass in dazzing.
  • Outdid Dictionary O - imperative of Outdo.
  • Outdone Dictionary O - past participle of Outdo.
  • Outdoing Dictionary O - past particle & verb noun of Outdo.
  • Outdo Dictionary O - verb transitive To go beyond in performance; to excel; to surpass.
  • Outdoor Dictionary O - adjective Being, or done, in the open air; being or done outside of certain buildings, as poorhouses, hospitals, etc.; as, outdoor exercise; outdoor relief; outdoor patients.
  • Outdoors Dictionary O - adverb Abread; out of the house; out of doors.
  • Outdraw Dictionary O - verb transitive To draw out; to extract.
  • Outdream Dictionary O - verb transitive To pass, or escape, while dreaming.
  • Outdrink Dictionary O - verb transitive To exceed in drinking.
  • Outdure Dictionary O - verb transitive To outlast.
  • Outdwell Dictionary O - verb transitive To dwell or stay beyond.
  • Outdweller Dictionary O - noun One who holds land in a parish, but lives elsewhere.
  • Outer Dictionary O - adjective Being on the outside; external; farthest or farther from the interior, from a given station, or from any space or position regarded as a center or starting place; - opposed to inner; as, the outer wall; the outer court or gate; the outer stump in cricket; the outer world.
  • Outerly Dictionary O - adverb Utterly; entirely.
  • Outermost Dictionary O - adjective Being on the extreme external part; farthest outward; as, the outermost row.
  • Outfaced Dictionary O - imperative & past particle of Outface.
  • Outfacing Dictionary O - past particle & verb noun of Outface.
  • Outface Dictionary O - verb transitive To face or look (one) out of countenance; to resist or bear down by bold looks or effrontery; to brave.
  • Outfall Dictionary O - noun The mouth of a river; the lower end of a water course; the open end of a drain, culvert, etc., where the discharge occurs.
  • Outfangthef Dictionary O - verb transitive A thief from without or abroad, taken within a lord's fee or liberty.
  • Outfawn Dictionary O - verb transitive To exceed in fawning.
  • Outfeast Dictionary O - verb transitive To exceed in feasting.
  • Outfeat Dictionary O - verb transitive To surpass in feats.
  • Outfield Dictionary O - noun Arable land which has been or is being exhausted. See Infield, 1.
  • Outfit Dictionary O - noun A fitting out, or equipment, as of a ship for a voyage, or of a person for an expedition in an unoccupied region or residence in a foreign land; things required for equipment; the expense of, or allowance made for, equipment, as by the government of the United States to a diplomatic agent going abroad.
  • Outfitter Dictionary O - noun One who furnishes outfits for a voyage, a journey, or a business.
  • Outflank Dictionary O - verb transitive To go beyond, or be superior to, on the flank; to pass around or turn the flank or flanks of.
  • Outflatter Dictionary O - verb transitive To exceed in flattering.
  • Outfling Dictionary O - noun A gibe; a contemptuous remark.
  • Outflow Dictionary O - noun A flowing out; efflux.
  • Outflew Dictionary O - imperative of Outfly.
  • Outflown Dictionary O - past participle of Outfly.
  • Outflying Dictionary O - of Outfly.
  • Outfly Dictionary O - verb transitive To surpass in flying; to fly beyond or faster than.
  • Outfool Dictionary O - verb transitive To exceed in folly.
  • Outform Dictionary O - noun External appearance.
  • Outfrown Dictionary O - verb transitive To frown down; to overbear by frowning.
  • Outgate Dictionary O - noun An outlet.
  • Outgaze Dictionary O - verb transitive To gaze beyond; to exceed in sharpness or persistence of seeing or of looking; hence, to stare out of countenance.
  • Outgeneraled Dictionary O - imperative & past particle of Outgeneral.
  • Outgeneralled Dictionary O - of Outgeneral.
  • Outgeneraling Dictionary O - past particle & verb noun of Outgeneral.
  • Outgeneralling Dictionary O - of Outgeneral.
  • Outgeneral Dictionary O - verb transitive To exceed in generalship; to gain advantage over by superior military skill or executive ability; to outmaneuver.
  • Outgive Dictionary O - verb transitive To surpass in giving.
  • Outwent Dictionary O - imperative of Outgo.
  • Outgone Dictionary O - past participle of Outgo.
  • Outgoing Dictionary O - past particle & verb noun of Outgo.
  • Outgo Dictionary O - verb transitive To go beyond; to exceed in swiftness; to surpass; to outdo.
  • Outgoes Dictionary O - pleural of Outgo.
  • Outgoer Dictionary O - noun One who goes out or departs.
  • Outground Dictionary O - noun Ground situated at a distance from the house; outlying land.
  • Outgrew Dictionary O - imperative of Outgrow.
  • Outgrown Dictionary O - past participle of Outgrow.
  • Outgrowing Dictionary O - past particle & verb noun of Outgrow.
  • Outgrow Dictionary O - verb transitive To surpass in growing; to grow more than.
  • Outgrowth Dictionary O - noun That which grows out of, or proceeds from, anything; an excrescence; an offshoot; hence, a result or consequence.
  • Outguard Dictionary O - noun A guard or small body of troops at a distance from the main body of an army, to watch for the approach of an enemy; hence, anything for defense placed at a distance from the thing to be defended.
  • Outgush Dictionary O - noun A pouring out; an outburst.
  • Outhaul Dictionary O - noun A rope used for hauling out a sail upon a spar; - opposite of inhaul.
  • Outhess Dictionary O - noun Outcry; alarm.
  • Outher Dictionary O - conjecture Other.
  • Out-Herod Dictionary O - verb transitive To surpass (Herod) in violence or wickedness; to exceed in any vicious or offensive particular.
  • Outhire Dictionary O - verb transitive To hire out.
  • Outhouse Dictionary O - noun A small house or building at a little distance from the main house; an outbuilding.
  • Outing Dictionary O - noun The act of going out; an airing; an excursion; as, a summer outing.
  • Outjest Dictionary O - verb transitive To surpass in jesting; to drive out, or away, by jesting.
  • Outjet Dictionary O - noun That which jets out or projects from anything.
  • Outjuggle Dictionary O - verb transitive To surpass in juggling.
  • Outkeeper Dictionary O - noun An attachment to a surveyor's compass for keeping tally in chaining.
  • Outknave Dictionary O - verb transitive To surpass in knavery.
  • Outlabor Dictionary O - verb transitive To surpass in laboring.
  • Outland Dictionary O - adjective Foreign; outlandish.
  • Outlander Dictionary O - noun A foreigner.
  • Outlandish Dictionary O - adjective Foreign; not native.
  • Outlast Dictionary O - verb transitive To exceed in duration; to survive; to endure longer than.
  • Outlaugh Dictionary O - verb transitive To surpass or outdo in laughing.
  • Outlaw Dictionary O - noun A person excluded from the benefit of the law, or deprived of its protection.
  • Outlawed Dictionary O - imperative & past particle of Outlaw.
  • Outlawing Dictionary O - past particle & verb noun of Outlaw.
  • Outlawries Dictionary O - pleural of Outlawry.
  • Outlawry Dictionary O - noun The act of outlawing; the putting a man out of the protection of law, or the process by which a man (as an absconding criminal) is deprived of that protection.
  • Outlay Dictionary O - verb transitive To lay out; to spread out; to display.
  • Outleap Dictionary O - verb transitive To surpass in leaping.
  • Outlearn Dictionary O - verb transitive To excel or surpass in learing.
  • Outlet Dictionary O - noun The place or opening by which anything is let out; a passage out; an exit; a vent.
  • Outlie Dictionary O - verb transitive To exceed in lying.
  • Outlier Dictionary O - noun One who does not live where his office, or business, or estate, is.
  • Outlimb Dictionary O - noun An extreme member or part of a thing; a limb.
  • Outline Dictionary O - noun The line which marks the outer limits of an object or figure; the exterior line or edge; contour.
  • Outlined Dictionary O - imperative & past particle of Outline.
  • Outlining Dictionary O - past particle & verb noun of Outline.
  • Outlinear Dictionary O - adjective Of or pertaining to an outline; being in, or forming, an outline.
  • Outlived Dictionary O - imperative & past particle of Outlive.
  • Outliving Dictionary O - past particle & verb noun of Outlive.
  • Outlive Dictionary O - verb transitive To live beyond, or longer than; to survive.
  • Outliver Dictionary O - noun One who outlives.
  • Outlook Dictionary O - verb transitive To face down; to outstare.
  • Outloose Dictionary O - noun A loosing from; an escape; an outlet; an evasion.
  • Outlope Dictionary O - noun An excursion.
  • Outluster Dictionary O - verb transitive Alt. of Outlustre.
  • Outlustre Dictionary O - verb transitive To excel in brightness or luster.
  • Outlying Dictionary O - adjective Lying or being at a distance from the central part, or the main body; being on, or beyond, the frontier; exterior; remote; detached.
  • Outmaneuver Dictionary O - verb transitive Alt. of Outmanoeuvre.
  • Outmanoeuvre Dictionary O - verb transitive To surpass, or get an advantage of, in maneuvering; to outgeneral.
  • Outmantle Dictionary O - verb transitive To excel in mantling; hence, to excel in splendor, as of dress.
  • Outmarch Dictionary O - verb transitive To surpass in marching; to march faster than, or so as to leave behind.
  • Outmeasure Dictionary O - verb transitive To exceed in measure or extent; to measure more than.
  • Outmost Dictionary O - adjective Farthest from the middle or interior; farthest outward; outermost.
  • Outmount Dictionary O - verb transitive To mount above.
  • Outname Dictionary O - verb transitive To exceed in naming or describing.
  • Outness Dictionary O - noun The state of being out or beyond; separateness.
  • Outnoise Dictionary O - verb transitive To exceed in noise; to surpass in noisiness.
  • Outnumber Dictionary O - verb transitive To exceed in number.
  • Out-of-door Dictionary O - adjective Being out of the house; being, or done, in the open air; outdoor; as, out-of-door exercise. See Out of door, under Out, adv.
  • Out-of-the-way Dictionary O - adjective See under Out, adv.
  • Outpace Dictionary O - verb transitive To outgo; to move faster than; to leave behind.
  • Outparamour Dictionary O - verb transitive To exceed in the number of mistresses.
  • Outparish Dictionary O - noun A parish lying without the walls of, or in a remote part of, a town.
  • Outpart Dictionary O - noun An outlying part.
  • Outpass Dictionary O - verb transitive To pass beyond; to exceed in progress.
  • Outpassion Dictionary O - verb transitive To exceed in passion.
  • Out-patient Dictionary O - noun A patient who is outside a hospital, but receives medical aid from it.
  • Outpeer Dictionary O - verb transitive To excel.
  • Outplay Dictionary O - verb transitive To excel or defeat in a game; to play better than; as, to be outplayed in tennis or ball.
  • Outpoise Dictionary O - verb transitive To outweigh.
  • Outport Dictionary O - noun A harbor or port at some distance from the chief town or seat of trade.
  • Outpost Dictionary O - noun A post or station without the limits of a camp, or at a distance from the main body of an army, for observation of the enemy.
  • Outpour Dictionary O - verb transitive To pour out.
  • Outpower Dictionary O - verb transitive To excel in power; to overpover.
  • Outpray Dictionary O - verb transitive To exceed or excel in prayer.
  • Outpreach Dictionary O - verb transitive To surpass in preaching.
  • Outprize Dictionary O - verb transitive To prize beyong value, or in excess; to exceed in value.
  • Output Dictionary O - noun The amount of coal or ore put out from one or more mines, or the quantity of material produced by, or turned out from, one or more furnaces or mills, in a given time.
  • Outquench Dictionary O - verb transitive To quench entirely; to extinguish.
  • Outrage Dictionary O - verb transitive To rage in excess of.
  • Outragen Dictionary O - imperative & past particle of Outrage.
  • Outraging Dictionary O - past particle & verb noun of Outrage.
  • Outrageous Dictionary O - noun Of the nature of an outrage; exceeding the limits of right, reason, or decency; involving or doing an outrage; furious; violent; atrocious.
  • Outrance Dictionary O - noun The utmost or last extremity.
  • Outrank Dictionary O - verb transitive To exceed in rank; hence, to take precedence of.
  • Outray Dictionary O - verb transitive To outshine.
  • Outraye Dictionary O - intransitive verb See Outrage, v. i.
  • Outraze Dictionary O - verb transitive To obliterate.
  • Outre Dictionary O - adjective Being out of the common course or limits; extravagant; bizarre.
  • Outreach Dictionary O - verb transitive To reach beyond.
  • Outreason Dictionary O - verb transitive To excel or surpass in reasoning; to reason better than.
  • Outreckon Dictionary O - verb transitive To exceed in reckoning or computation.
  • Outrecuidance Dictionary O - noun Excessive presumption.
  • Outrede Dictionary O - verb transitive To surpass in giving rede, or counsel.
  • Outreign Dictionary O - verb transitive To go beyond in reigning; to reign through the whole of, or longer than.
  • Outride Dictionary O - verb transitive To surpass in speed of riding; to ride beyond or faster than.
  • Outrider Dictionary O - noun A summoner whose office is to cite men before the sheriff.
  • Outrigger Dictionary O - noun Any spar or projecting timber run out for temporary use, as from a ship's mast, to hold a rope or a sail extended, or from a building, to support hoisting teckle.
  • Outright Dictionary O - adverb Immediately; without delay; at once; as, he was killed outright.
  • Outring Dictionary O - verb transitive To excel in volume of ringing sound; to ring louder than.
  • Outrival Dictionary O - verb transitive To surpass in a rivalry.
  • Outrive Dictionary O - verb transitive To river; to sever.
  • Outroad Dictionary O - noun Alt. of Outrode.
  • Outrode Dictionary O - noun An excursion.
  • Outroar Dictionary O - verb transitive To exceed in roaring.
  • Outromance Dictionary O - verb transitive To exceed in romantic character.
  • Outroom Dictionary O - noun An outer room.
  • Outroot Dictionary O - verb transitive To eradicate; to extirpate.
  • Outran Dictionary O - imperative of Outrun.
  • Outrun Dictionary O - past participle of Outrun.
  • Outrunning Dictionary O - past particle & verb noun of Outrun.
  • Outrunner Dictionary O - noun An offshoot; a branch.
  • Outrush Dictionary O - intransitive verb To rush out; to issue, or ru/ out, forcibly.
  • Outsail Dictionary O - verb transitive To excel, or to leave behind, in sailing; to sail faster than.
  • Outscent Dictionary O - verb transitive To exceed in odor.
  • Outscold Dictionary O - verb transitive To exceed in scolding.
  • Outscorn Dictionary O - verb transitive To confront, or subdue, with greater scorn.
  • Outscouring Dictionary O - noun That which is scoured out o/ washed out.
  • Outscout Dictionary O - verb transitive To overpower by disdain; to outface.
  • Outsee Dictionary O - verb transitive To see beyond; to excel in cer/ainty of seeing; to surpass in foresight.
  • Outsell Dictionary O - verb transitive To exceed in amount of sales; to sell more than.
  • Outsentry Dictionary O - noun A sentry who guards the entrance or approach to a place; an outguard.
  • Outset Dictionary O - noun A setting out, starting, or beginning.
  • Outsettler Dictionary O - noun One who settles at a distance, or away, from others.
  • Outshine Dictionary O - intransitive verb To shine forth.
  • Outshoot Dictionary O - verb transitive To exceed or excel in shooting; to shoot beyond.
  • Outshut Dictionary O - verb transitive To shut out.
  • Outside Dictionary O - noun The external part of a thing; the part, end, or side which forms the surface; that which appears, or is manifest; that which is superficial; the exterior.
  • Outsider Dictionary O - noun One not belonging to the concern, institution, party, etc., spoken of; one disconnected in interest or feeling.
  • Outsing Dictionary O - verb transitive To surpass in singing.
  • Outsit Dictionary O - verb transitive To remain sitting, or in session, longer than, or beyond the time of; to outstay.
  • Outskirt Dictionary O - noun A part remote from the center; outer edge; border; - usually in the plural; as, the outskirts of a town.
  • Outsleep Dictionary O - verb transitive To exceed in sleeping.
  • Outslide Dictionary O - intransitive verb To slide outward, onward, or forward; to advance by sliding.
  • Outsoar Dictionary O - verb transitive To soar beyond or above.
  • Outsole Dictionary O - noun The outside sole of a boot or shoe.
  • Outsound Dictionary O - verb transitive To surpass in sounding.
  • Outspan Dictionary O - verb transitive & intransitive To unyoke or disengage, as oxen from a wagon.
  • Outsparkle Dictionary O - verb transitive To exceed in sparkling.
  • Outspeak Dictionary O - verb transitive To exceed in speaking.
  • Outspeed Dictionary O - verb transitive To excel in speed.
  • Outspend Dictionary O - noun Outlay; expenditure.
  • Outspin Dictionary O - verb transitive To spin out; to finish.
  • Outspoken Dictionary O - adjective Speaking, or spoken, freely, openly, or boldly; as, an outspoken man; an outspoken rebuke.
  • Outsport Dictionary O - verb transitive To exceed in sporting.
  • Outspread Dictionary O - verb transitive To spread out; to expand; - usually as a past part. / adj.
  • Outspring Dictionary O - intransitive verb To spring out; to issue.
  • Outstand Dictionary O - intransitive verb To stand out, or project, from a surface or mass; hence, to remain standing out.
  • Outstanding Dictionary O - adjective That stands out; undischarged; uncollected; not paid; as, outstanding obligations.
  • Outstare Dictionary O - verb transitive To excel or overcome in staring; to face down.
  • Outstart Dictionary O - intransitive verb To start out or up.
  • Outstay Dictionary O - verb transitive To stay beyond or longer than.
  • Outstep Dictionary O - verb transitive To exceed in stepping.
  • Outstorm Dictionary O - verb transitive To exceed in storming.
  • Outstreet Dictionary O - noun A street remote from the center of a town.
  • Outstretch Dictionary O - verb transitive To stretch out.
  • Outstride Dictionary O - verb transitive To surpass in striding.
  • Outstrike Dictionary O - verb transitive To strike out; to strike faster than.
  • Outstripped Dictionary O - imperative & past particle of Outstrip.
  • Outstripping Dictionary O - past particle & verb noun of Outstrip.
  • Outstrip Dictionary O - verb transitive To go faster than; to outrun; to advance beyond; to leave behing.
  • Outsuffer Dictionary O - verb transitive To exceed in suffering.
  • Outswear Dictionary O - verb transitive To exceed in swearing.
  • Outsweeten Dictionary O - verb transitive To surpass in sweetness.
  • Outswell Dictionary O - verb transitive To exceed in swelling.
  • Outtake Dictionary O - preposition Except.
  • Outtaken Dictionary O - past participle or prep. Excepted; save.
  • Outtalk Dictionary O - verb transitive To overpower by talking; to exceed in talking; to talk down.
  • Outtell Dictionary O - verb transitive To surpass in telling, counting, or reckoning.
  • Outterm Dictionary O - noun An external or superficial thing; outward manner; superficial remark, etc.
  • Outthrow Dictionary O - verb transitive To throw out.
  • Outtoil Dictionary O - verb transitive To exceed in toiling.
  • Outtongue Dictionary O - verb transitive To silence by talk, clamor, or noise.
  • Outtop Dictionary O - verb transitive To overtop.
  • Outtravel Dictionary O - verb transitive To exceed in speed o/ distance traveled.
  • Outtwine Dictionary O - verb transitive To disentangle.
  • Outvalue Dictionary O - verb transitive To exceed in value.
  • Outvenom Dictionary O - verb transitive To exceed in venom.
  • Outvie Dictionary O - verb transitive To exceed in vying.
  • Outvillain Dictionary O - verb transitive To exceed in villainy.
  • Outvoice Dictionary O - verb transitive To exceed in noise.
  • Outvote Dictionary O - verb transitive To exceed in the number of votes given; to defeat by votes.
  • Outwalk Dictionary O - verb transitive To excel in walking; to leave behind in walking.
  • Outwall Dictionary O - noun The exterior wall; the outside surface, or appearance.
  • Outward Dictionary O - adverb Alt. of Outwards.
  • Outwards Dictionary O - adverb From the interior part; in a direction from the interior toward the exterior; out; to the outside; beyond; off; away; as, a ship bound outward.
  • Outwatch Dictionary O - verb transitive To exceed in watching.
  • Outway Dictionary O - noun A way out; exit.
  • Outwear Dictionary O - verb transitive To wear out; to consume or destroy by wearing.
  • Outweary Dictionary O - verb transitive To weary out.
  • Outweed Dictionary O - verb transitive To weed out.
  • Outweep Dictionary O - verb transitive To exceed in weeping.
  • Outweigh Dictionary O - verb transitive To exceed in weight or value.
  • Outwell Dictionary O - verb transitive To pour out.
  • Outwhore Dictionary O - verb transitive To exceed in lewdness.
  • Outwin Dictionary O - verb transitive To win a way out of.
  • Outwind Dictionary O - verb transitive To extricate by winding; to unloose.
  • Outwing Dictionary O - verb transitive To surpass, exceed, or outstrip in flying.
  • Outwit Dictionary O - verb transitive To surpass in wisdom, esp. in cunning; to defeat or overreach by superior craft.
  • Outwoe Dictionary O - verb transitive To exceed in woe.
  • Outwork Dictionary O - verb transitive To exceed in working; to work more or faster than.
  • Outworth Dictionary O - verb transitive To exceed in worth.
  • Outwrest Dictionary O - verb transitive To extort; to draw from or forth by violence.
  • Outwrite Dictionary O - verb transitive To exceed or excel in writing.
  • Outzany Dictionary O - verb transitive To exceed in buffoonery.
  • Ouvarovite Dictionary O - noun Chrome garnet.
  • Ouze Dictionary O - noun & verb See Ooze.
  • Ouzel Dictionary O - noun Same as Ousel.
  • Ova Dictionary O - noun plural See Ovum.
  • Oval Dictionary O - adjective Of or pertaining to eggs; done in the egg, or inception; as, oval conceptions.
  • Ovalbumin Dictionary O - noun Alt. of Ovalbumen.
  • Ovalbumen Dictionary O - noun The albumin from white of eggs; egg albumin; - in distinction from serum albumin. See Albumin.
  • Ovaliform Dictionary O - adjective Having the form of an egg; having a figure such that any section in the direction of the shorter diameter will be circular, and any in the direction of the longer diameter will be oval.
  • Ovally Dictionary O - adverb In an oval form.
  • Ovant Dictionary O - adjective Exultant.
  • Ovarian Dictionary O - adjective Alt. of Ovarial.
  • Ovarial Dictionary O - adjective Of or pertaining to an ovary.
  • Ovariole Dictionary O - noun One of the tubes of which the ovaries of most insects are composed.
  • Ovariotomist Dictionary O - noun One who performs, or is skilled in, ovariotomy.
  • Ovariotomy Dictionary O - noun The operation of removing one or both of the ovaries; oophorectomy.
  • Ovarious Dictionary O - adjective Consisting of eggs; as, ovarious food.
  • Ovaritis Dictionary O - noun Inflammation of the ovaries.
  • Ovaria Dictionary O - pleural of Ovarium.
  • Ovariums Dictionary O - pleural of Ovarium.
  • Ovarium Dictionary O - noun An ovary. See Ovary.
  • Ovaries Dictionary O - pleural of Ovary.
  • Ovary Dictionary O - noun That part of the pistil which contains the seed, and in most flowering plants develops into the fruit. See Illust. of Flower.
  • Ovate Dictionary O - adjective Shaped like an egg, with the lower extremity broadest.
  • Ovate-acuminate Dictionary O - adjective Having an ovate form, but narrowed at the end into a slender point.
  • Ovate-cylindraceous Dictionary O - adjective Having a form intermediate between ovate and cylindraceous.
  • Ovated Dictionary O - adjective Ovate.
  • Ovate-lanceolate Dictionary O - adjective Having a form intermediate between ovate and lanceolate.
  • Ovate-oblong Dictionary O - adjective Oblong. with one end narrower than the other; ovato-oblong.
  • Ovate-rotundate Dictionary O - adjective Having a form intermediate between that of an egg and a sphere; roundly ovate.
  • Ovate-subulate Dictionary O - adjective Having an ovate form, but with a subulate tip or extremity.
  • Ovation Dictionary O - noun A lesser kind of triumph allowed to a commander for an easy, bloodless victory, or a victory over slaves.
  • Ovato-acuminate Dictionary O - adjective Same as Ovate-acuminate.
  • Ovato-cylindraceous Dictionary O - adjective Same as Ovate-cylindraceous.
  • Ovato-oblong Dictionary O - adjective Same as Ovate-oblong.
  • Ovato-rotundate Dictionary O - adjective Same as Ovate-rotundate.
  • Oven Dictionary O - noun A place arched over with brick or stonework, and used for baking, heating, or drying; hence, any structure, whether fixed or portable, which may be heated for baking, drying, etc.; esp., now, a chamber in a stove, used for baking or roasting.
  • Ovenbird Dictionary O - noun Any species of the genus Furnarius, allied to the creepers. They inhabit South America and the West Indies, and construct curious oven-shaped nests.
  • Over Dictionary O - preposition Above, or higher than, in place or position, with the idea of covering; - opposed to under; as, clouds are over our heads; the smoke rises over the city.
  • Overabound Dictionary O - intransitive verb To be exceedingly plenty or superabundant.
  • Overact Dictionary O - verb transitive To act or perform to excess; to exaggerate in acting; as, he overacted his part.
  • Overaction Dictionary O - noun Per/ormance to excess; exaggerated or excessive action.
  • Overaffect Dictionary O - verb transitive To affect or care for unduly.
  • Overagitate Dictionary O - verb transitive To agitate or discuss beyond what is expedient.
  • Overall Dictionary O - adverb Everywhere.
  • Overalls Dictionary O - noun plural A kind of loose trousers worn over others to protect them from soiling.
  • Overanxiety Dictionary O - noun The state of being overanxious; excessive anxiety.
  • Overanxious Dictionary O - adjective Anxious in an excessive or needless degree.
  • Overarch Dictionary O - verb transitive & intransitive To make or place an arch over; to hang over like an arch.
  • Over-arm Dictionary O - adjective Done (as bowling or pitching) with the arm raised above the shoulder. See Overhard.
  • Overawed Dictionary O - imperative & past particle of Overawe.
  • Overawing Dictionary O - past particle & verb noun of Overawe.
  • Overawe Dictionary O - verb transitive To awe exceedingly; to subjugate or restrain by awe or great fear.
  • Overawful Dictionary O - adjective Awful, or reverential, in an excessive degree.
  • Overbalance Dictionary O - verb transitive To exceed equality with; to outweigh.
  • Overbarren Dictionary O - adjective Excessively barren.
  • Overbattle Dictionary O - adjective Excessively fertile; bearing rank or noxious growths.
  • Overbear Dictionary O - verb transitive To bear down or carry down, as by excess of weight, power, force, etc.; to overcome; to suppress.
  • Overbearing Dictionary O - adjective Overpowering; subduing; repressing.
  • Overbend Dictionary O - verb transitive To bend to excess.
  • Overbid Dictionary O - verb transitive To bid or offer beyond, or in excess of.
  • Overbide Dictionary O - verb transitive To outlive.
  • Overblow Dictionary O - intransitive verb To blow over, or be subdued.
  • Overboard Dictionary O - adverb Over the side of a ship; hence, from on board of a ship, into the water; as, to fall overboard.
  • Overboil Dictionary O - intransitive verb To boil over or unduly.
  • Overbold Dictionary O - adjective Excessively or presumptuously bold; impudent.
  • Overbookish Dictionary O - adjective Excessively bookish.
  • Overbounteous Dictionary O - adjective Bounteous to excess.
  • Overbow Dictionary O - verb transitive To bend or bow over; to bend in a contrary direction.
  • Overbreed Dictionary O - verb transitive To breed to excess.
  • Overbrim Dictionary O - intransitive verb To flow over the brim; to be so full as to overflow.
  • Overbrow Dictionary O - verb transitive To hang over like a brow; to impend over.
  • Overbuild Dictionary O - verb transitive To build over.
  • Overbuilt Dictionary O - adjective Having too many buildings; as, an overbuilt part of a town.
  • Overbulk Dictionary O - verb transitive To oppress by bulk; to overtower.
  • Overburden Dictionary O - verb transitive To load with too great weight or too much care, etc.
  • Overburdensome Dictionary O - adjective Too burdensome.
  • Overburn Dictionary O - verb transitive & intransitive To burn too much; to be overzealous.
  • Over-busy Dictionary O - adjective Too busy; officious.
  • Overbuy Dictionary O - verb transitive To buy too much.
  • Overcanopy Dictionary O - verb transitive To cover as with a canopy.
  • Overcapable Dictionary O - adjective Too capable.
  • Overcare Dictionary O - noun Excessive care.
  • Overcareful Dictionary O - adjective Too careful.
  • Overcarking Dictionary O - adjective Too anxious; too full of care.
  • Overcarry Dictionary O - verb transitive & intransitive To carry too far; to carry beyond the proper point.
  • Overcast Dictionary O - verb transitive To cast or cover over; hence, to cloud; to darken.
  • Overcatch Dictionary O - verb transitive To overtake.
  • Overcautious Dictionary O - adjective Too cautious; cautious or prudent to excess.
  • Overchange Dictionary O - noun Too much or too frequent change; fickleness.
  • Overcharge Dictionary O - verb transitive To charge or load too heavily; to burden; to oppress; to cloy.
  • Overclimb Dictionary O - verb transitive To climb over.
  • Overcloud Dictionary O - verb transitive To cover or overspread with clouds; to becloud; to overcast.
  • Overcloy Dictionary O - verb transitive To fill beyond satiety.
  • Overcoat Dictionary O - noun A coat worn over the other clothing; a greatcoat; a topcoat.
  • Overcold Dictionary O - adjective Cold to excess.
  • Overcolor Dictionary O - verb transitive To color too highly.
  • Overcame Dictionary O - imperative of Overcome.
  • Overcome Dictionary O - past participle of Overcome.
  • Overcoming Dictionary O - particle pr & verb noun of Overcome.
  • Overcomer Dictionary O - noun One who overcomes.
  • Overconfidence Dictionary O - noun Excessive confidence; too great reliance or trust.
  • Overconfident Dictionary O - adjective Confident to excess.
  • Overcostly Dictionary O - adjective Too costly.
  • Overcount Dictionary O - verb transitive To rate too high; to outnumber.
  • Overcover Dictionary O - verb transitive To cover up.
  • Overcredulous Dictionary O - adjective Too credulous.
  • Overcrow Dictionary O - verb transitive To crow, exult, or boast, over; to overpower.
  • Overcrowd Dictionary O - verb transitive To crowd too much.
  • Overcunning Dictionary O - adjective Exceedingly or excessively cunning.
  • Overcurious Dictionary O - adjective Too curious.
  • Overdare Dictionary O - verb transitive & intransitive To dare too much or rashly; to be too daring.
  • Overdate Dictionary O - verb transitive To date later than the true or proper period.
  • Overdeal Dictionary O - noun The excess.
  • Overdelicate Dictionary O - adjective Too delicate.
  • Overdelighted Dictionary O - adjective Delighted beyond measure.
  • Overdight Dictionary O - adjective Covered over.
  • Overdid Dictionary O - imperative of Overdo.
  • Overdone Dictionary O - past participle of Overdo.
  • Overdoing Dictionary O - past particle & verb noun of Overdo.
  • Overdo Dictionary O - verb transitive To do too much; to exceed what is proper or true in doing; to exaggerate; to carry too far.
  • Overdoer Dictionary O - noun One who overdoes.
  • Overdose Dictionary O - verb transitive To dose to excess; to give an overdose, or too many doses, to.
  • Overdrew Dictionary O - imperative of Overdraw.
  • Overdrawn Dictionary O - past participle of Overdraw.
  • Overdrawing Dictionary O - past particle & verb noun of Overdraw.
  • Overdraw Dictionary O - verb transitive To exaggerate; to overdo.
  • Overdress Dictionary O - verb transitive To dress or adorn to excess; to dress too much.
  • Overdrink Dictionary O - verb transitive & intransitive To drink to excess.
  • Overdtive Dictionary O - verb transitive & intransitive To drive too hard, or far, or beyond strength.
  • Overdrown Dictionary O - verb transitive To wet or drench to excess.
  • Overdry Dictionary O - verb transitive To dry too much.
  • Overdue Dictionary O - adjective Due and more than due; delayed beyond the proper time of arrival or payment, etc.; as, an overdue vessel; an overdue note.
  • Overdye Dictionary O - verb transitive To dye with excess of color; to put one color over (another).
  • Overeager Dictionary O - adjective Too eager; too impatient.
  • Overearnest Dictionary O - adjective Too earnest.
  • Overeat Dictionary O - verb transitive & intransitive To gnaw all over, or on all sides.
  • Overelegant Dictionary O - adjective Too elegant.
  • Overempty Dictionary O - verb transitive To make too empty; to exhaust.
  • Overest Dictionary O - Superl. Uppermost; outermost.
  • Overestimate Dictionary O - verb transitive To estimate too highly; to overvalue.
  • Overexcite Dictionary O - verb transitive To excite too much.
  • Overexcitement Dictionary O - noun Excess of excitement; the state of being overexcited.
  • Overexert Dictionary O - verb transitive To exert too much.
  • Overexertion Dictionary O - noun Excessive exertion.
  • Overexquisite Dictionary O - adjective Too exquisite; too exact or nice; too careful.
  • Overeye Dictionary O - verb transitive To superintend; to oversee; to inspect.
  • Overfall Dictionary O - noun A cataract; a waterfall.
  • Overfatigue Dictionary O - noun Excessive fatigue.
  • Overfed Dictionary O - imperative & past particle of Overfeed.
  • Overfeeding Dictionary O - past particle & verb noun of Overfeed.
  • Overfeed Dictionary O - verb transitive & intransitive To feed to excess; to surfeit.
  • Overfierce Dictionary O - adjective Excessively fierce.
  • overfill Dictionary O - verb transitive To fill to excess; to surcharge.
  • Overfish Dictionary O - verb transitive To fish to excess.
  • Overfloat Dictionary O - verb transitive To overflow.
  • Overflourish Dictionary O - verb transitive To make excessive display or flourish of.
  • Overflowed Dictionary O - imperative & past particle of Overflow.
  • Overflowing Dictionary O - past particle & verb noun of Overflow.
  • Overflow Dictionary O - verb transitive To flow over; to cover woth, or as with, water or other fluid; to spread over; to inundate; to overwhelm.
  • Overflowingly Dictionary O - adverb In great abundance; exuberantly.
  • Overflush Dictionary O - verb transitive To flush to excess.
  • Overflutter Dictionary O - verb transitive To flutter over.
  • Overflux Dictionary O - noun Overflow; exuberance.
  • Overflew Dictionary O - imperative of Overfly.
  • Overflown Dictionary O - past participle of Overfly.
  • Overflying Dictionary O - past particle & verb noun of Overfly.
  • Overfly Dictionary O - verb transitive To cross or pass over by flight.
  • Overfond Dictionary O - adjective Fond to excess.
  • Overforce Dictionary O - noun Excessive force; violence.
  • Overforward Dictionary O - adjective Forward to excess; too forward.
  • Overfree Dictionary O - adjective Free to excess; too liberal; too familiar.
  • Overfreighted Dictionary O - imperative & past particle of Overfreight.
  • Overfraught Dictionary O - of Overfreight.
  • Overfreighting Dictionary O - past particle & verb noun of Overfreight.
  • Overfreight Dictionary O - verb transitive To put too much freight in or upon; to load too full, or too heavily; to overload.
  • Overfrequent Dictionary O - adjective Too frequent.
  • Overfrieze Dictionary O - verb transitive To cover with a frieze, or as with a frieze.
  • Overfront Dictionary O - verb transitive To confront; to oppose; to withstand.
  • Overfruitful Dictionary O - adjective Too fruitful.
  • Overfull Dictionary O - adjective Too full; filled to overflowing; excessively full; surfeited.
  • Overfullness Dictionary O - noun The state of being excessively or abnormally full, so as to cause overflow, distention, or congestion; excess of fullness; surfeit.
  • Over-garment Dictionary O - noun An outer garment.
  • Overgarrison Dictionary O - verb transitive To garrison to excess.
  • Overgaze Dictionary O - verb transitive To gaze; to overlook.
  • Overget Dictionary O - verb transitive To reach; to overtake; to pass.
  • Overgild Dictionary O - verb transitive To gild over; to varnish.
  • Overgird Dictionary O - verb transitive To gird too closely.
  • Overgive Dictionary O - verb transitive To give over; to surrender; to yield.
  • Overglad Dictionary O - adjective Excessively or unduly glad.
  • Overglance Dictionary O - verb transitive To glance over.
  • Overglide Dictionary O - verb transitive To glide over.
  • Overgloom Dictionary O - verb transitive To spread gloom over; to make gloomy; to overshadow.
  • Overwent Dictionary O - imperative of Overgo.
  • Overgone Dictionary O - past participle of Overgo.
  • Overgoing Dictionary O - past particle & verb noun of Overgo.
  • Overgo Dictionary O - verb transitive To travel over.
  • Overgorge Dictionary O - verb transitive To gorge to excess.
  • Overgrace Dictionary O - verb transitive To grace or honor exceedingly or beyond desert.
  • Overgrassed Dictionary O - adjective Overstocked, or overgrown, or covered, with grass.
  • Overgreat Dictionary O - adjective Too great.
  • Overgreatness Dictionary O - noun Excessive greatness.
  • Overgreedy Dictionary O - adjective Excessively greedy.
  • Overgross Dictionary O - adjective Too gross.
  • Overground Dictionary O - adjective Situated over or above ground; as, the overground portion of a plant.
  • Overgrew Dictionary O - imperative of Overgrow.
  • Overgrown Dictionary O - past participle of Overgrow.
  • Overgrowing Dictionary O - past particle & verb noun of Overgrow.
  • Overgrow Dictionary O - verb transitive To grow over; to cover with growth or herbage, esp. that which is rank.
  • Overgrowth Dictionary O - noun Excessive growth.
  • Overhall Dictionary O - verb transitive See Overhaul.
  • Overhale Dictionary O - verb transitive See Overhaul.
  • Overhand Dictionary O - noun The upper hand; advantage; superiority; mastery.
  • Overhandle Dictionary O - verb transitive To handle, or use, too much; to mention too often.
  • Overhung Dictionary O - imperative & past particle of Overhang.
  • Overhanging Dictionary O - past particle & verb noun of Overhang.
  • Overhang Dictionary O - verb transitive To impend or hang over.
  • Overhappy Dictionary O - adjective Exceedingly happy.
  • Overharden Dictionary O - verb transitive To harden too much; to make too hard.
  • Overhardy Dictionary O - adjective Too hardy; overbold.
  • Overhaste Dictionary O - noun Too great haste.
  • Overhasty Dictionary O - adjective Too hasty; precipitate; rash.
  • Overhauled Dictionary O - imperative & past particle of Overhaul.
  • Overhauling Dictionary O - of Overhaul.
  • Overhaul Dictionary O - verb transitive To haul or drag over; hence, to turn over for examination; to inspect; to examine thoroughly with a view to corrections or repairs.
  • Overhead Dictionary O - adverb Aloft; above; in or attached to the ceiling or roof; in the story or upon the floor above; in the zenith.
  • Overheard Dictionary O - imperative & past particle of Overhear.
  • Overhearing Dictionary O - past particle & verb noun of Overhear.
  • Overhear Dictionary O - verb transitive To hear more of (anything) than was intended to be heard; to hear by accident or artifice.
  • Overheat Dictionary O - verb transitive To heat to excess; to superheat.
  • Overheavy Dictionary O - adjective Excessively heavy.
  • Overhele Dictionary O - verb transitive To hele or cover over.
  • Overhent Dictionary O - verb transitive To overtake.
  • Overhigh Dictionary O - adjective Too high.
  • Overhighly Dictionary O - adverb Too highly; too greatly.
  • Overhipped Dictionary O - imperative & past particle of Overhip.
  • Overhipping Dictionary O - past particle & verb noun of Overhip.
  • Overhip Dictionary O - verb transitive To pass over by, or as by a hop; to skip over; hence, to overpass.
  • Overhold Dictionary O - verb transitive To hold or value too highly; to estimate at too dear a rate.
  • Overinfluence Dictionary O - verb transitive To influence in an excessive degree; to have undue influence over.
  • Overinform Dictionary O - verb transitive To inform, fill, or animate, excessively.
  • Overissue Dictionary O - noun An excessive issue; an issue, as of notes or bonds, exceeding the limit of capital, credit, or authority.
  • Overjealous Dictionary O - adjective Excessively jealous; too jealous.
  • Overjoy Dictionary O - verb transitive To make excessively joyful; to gratify extremely.
  • Overjump Dictionary O - verb transitive To jump over; hence, to omit; to ignore.
  • Overking Dictionary O - noun A king who has sovereignty over inferior kings or ruling princes.
  • Overknowing Dictionary O - adjective Too knowing or too cunning.
  • Overlabored Dictionary O - imperative & past particle of Overlabor.
  • Overlaboring Dictionary O - past particle & verb noun of Overlabor.
  • Overlabor Dictionary O - verb transitive To cause to labor excessively; to overwork.
  • Overladed Dictionary O - imperative of Overlade.
  • Overladen Dictionary O - past participle of Overlade.
  • Overlading Dictionary O - past particle & verb noun of Overlade.
  • Overlade Dictionary O - verb transitive To load with too great a cargo; to overburden; to overload.
  • Overland Dictionary O - adjective Being, or accomplished, over the land, instead of by sea; as, an overland journey.
  • Overlander Dictionary O - noun One who travels over lands or countries; one who travels overland.
  • Overlanguaged Dictionary O - adjective Employing too many words; diffuse.
  • Overlap Dictionary O - verb transitive & intransitive To lap over; to lap.
  • Overlarge Dictionary O - adjective Too large; too great.
  • Overlargeness Dictionary O - noun Excess of size or bulk.
  • Overlash Dictionary O - intransitive verb To drive on rashly; to go to excess; hence, to exaggerate; to boast.
  • Overlashing Dictionary O - noun Excess; exaggeration.
  • Overlate Dictionary O - adjective Too late; exceedingly late.
  • Overlave Dictionary O - verb transitive To lave or bathe over.
  • Overlavish Dictionary O - adjective Lavish to excess.
  • Overlaid Dictionary O - imperative & past particle of Overlay.
  • Overlaying Dictionary O - past particle & verb noun of Overlay.
  • Overlay Dictionary O - verb transitive To lay, or spread, something over or across; hence, to cover; to overwhelm; to press excessively upon.
  • Overlayer Dictionary O - noun One who overlays; that with which anything is overlaid.
  • Overlead Dictionary O - verb transitive To domineer over; to affront; to treat with indignity.
  • Overleap Dictionary O - verb transitive To leap over or across; hence, to omit; to ignore.
  • Overlearned Dictionary O - adjective Too learned.
  • Overleather Dictionary O - noun Upper leather.
  • Overleaven Dictionary O - verb transitive To leaven too much; hence, to change excessively; to spoil.
  • Overliberal Dictionary O - adjective Too liberal.
  • Overliberally Dictionary O - adverb In an overliberal manner.
  • Overlick Dictionary O - verb transitive To lick over.
  • Overlain Dictionary O - past participle of Overlie.
  • Overlying Dictionary O - past particle & verb noun of Overlie.
  • Overlie Dictionary O - verb transitive To lie over or upon; specifically, to suffocate by lying upon; as, to overlie an infant.
  • Overlight Dictionary O - noun Too strong a light.
  • Overliness Dictionary O - noun The quality or state of being overly; carelessness.
  • Overlinger Dictionary O - verb transitive To cause to linger; to detain too long.
  • Overlip Dictionary O - noun The upper lip.
  • Overlive Dictionary O - verb transitive To outlive.
  • Overliver Dictionary O - noun A survivor.
  • Overloaded Dictionary O - imperative & past particle of Overload.
  • Overloading Dictionary O - past particle & verb noun of Overload.
  • Overload Dictionary O - verb transitive To load or fill to excess; to load too heavily.
  • Overlogical Dictionary O - adjective Excessively logical; adhering too closely to the forms or rules of logic.
  • Overlong Dictionary O - adjective & adverb Too long.
  • Overlooked Dictionary O - imperative & past particle of Overlook.
  • Overlooking Dictionary O - past particle & verb noun of Overlook.
  • Overlook Dictionary O - verb transitive To look down upon from a place that is over or above; to look over or view from a higher position; to rise above, so as to command a view of; as, to overlook a valley from a hill.
  • Overlooker Dictionary O - noun One who overlooks.
  • Overloop Dictionary O - noun See Orlop.
  • Overlord Dictionary O - noun One who is lord over another or others; a superior lord; a master.
  • Overlordship Dictionary O - noun Lordship or supremacy of a person or a people over others.
  • Overloud Dictionary O - adjective Too loud; noisy.
  • Overlove Dictionary O - verb transitive To love to excess.
  • Overluscious Dictionary O - adjective Excessively luscious.
  • Overlusty Dictionary O - adjective Too lusty, or lively.
  • Overly Dictionary O - adjective Careless; negligent; inattentive; superfical; not thorough.
  • Overmagnify Dictionary O - verb transitive To magnify too much.
  • Overmalapert Dictionary O - adjective Excessively malapert or impudent.
  • Overmanner Dictionary O - adverb In an excessive manner; excessively.
  • Overmarch Dictionary O - verb transitive & intransitive To march too far, or too much; to exhaust by marching.
  • Overmast Dictionary O - verb transitive To furnish (a vessel) with too long or too heavy a mast or masts.
  • Overmaster Dictionary O - verb transitive To overpower; to subdue; to vanquish; to govern.
  • Overmatch Dictionary O - verb transitive To be more than equal to or a match for; hence, to vanquish.
  • Overmeasure Dictionary O - verb transitive To measure or estimate too largely.
  • Overmeddle Dictionary O - verb transitive To meddle unduly.
  • Overmeddling Dictionary O - noun Excessive interference.
  • Overmellow Dictionary O - adjective Too mellow; overripe.
  • Overmerit Dictionary O - noun Excessive merit.
  • Overmickle Dictionary O - adjective & adverb Overmuch.
  • Overmix Dictionary O - verb transitive To mix with too much.
  • Overmodest Dictionary O - adjective Modest to excess; bashful.
  • Overmoist Dictionary O - adjective Excessively moist.
  • Overmoisture Dictionary O - noun Excess of moisture.
  • Overmore Dictionary O - adverb Beyond; moreover.
  • Overmorrow Dictionary O - noun The day after or following to-morrow.
  • Overmost Dictionary O - adjective Over the rest in authority; above all others; highest.
  • Overmount Dictionary O - verb transitive To mount over; to go higher than; to rise above.
  • Overmuch Dictionary O - adjective Too much.
  • Overmuchness Dictionary O - noun The quality or state of being in excess; superabundance.
  • Overmultiply Dictionary O - verb transitive & intransitive To multiply or increase too much; to repeat too often.
  • Overmultitude Dictionary O - verb transitive To outnumber.
  • Overname Dictionary O - verb transitive To name over or in a series; to recount.
  • Overneat Dictionary O - adjective Excessively neat.
  • Overnice Dictionary O - adjective Excessively nice; fastidious.
  • Overnight Dictionary O - noun The fore part of the night last past; the previous evening.
  • Overnoise Dictionary O - verb transitive To overpower by noise.
  • Overnumerous Dictionary O - adjective Excessively numerous; too many.
  • Overoffice Dictionary O - verb transitive To domineer over by virtue of office.
  • Overofficious Dictionary O - adjective Too busy; too ready to intermeddle; too officious.
  • Overpaint Dictionary O - verb transitive To color or describe too strongly.
  • Overpamper Dictionary O - verb transitive To pamper excessively; to feed or dress too much.
  • Overpart Dictionary O - verb transitive To give too important or difficult a part to.
  • Overpassed Dictionary O - imperative & past particle of Overpass.
  • Overpassing Dictionary O - past particle & verb noun of Overpass.
  • Overpass Dictionary O - verb transitive To go over or beyond; to cross; as, to overpass a river; to overpass limits.
  • Overpassionate Dictionary O - adjective Passionate to excess.
  • Overpatient Dictionary O - adjective Patient to excess.
  • Overpaid Dictionary O - imperative & past particle of Overpay.
  • Overpaying Dictionary O - past particle & verb noun of Overpay.
  • Overpay Dictionary O - verb transitive To pay too much to; to reward too highly.
  • Overpeer Dictionary O - verb transitive To peer over; to rise above.
  • Overpeople Dictionary O - verb transitive To people too densely.
  • Overperch Dictionary O - verb transitive To perch upon; to fly over.
  • Overpersuade Dictionary O - verb transitive To persuade or influence against one's inclination or judgment.
  • Overpester Dictionary O - verb transitive To pester exceedingly or excessively.
  • Overpicture Dictionary O - verb transitive To surpass nature in the picture or representation of.
  • Overplease Dictionary O - verb transitive To please excessively.
  • Overplus Dictionary O - noun That which remains after a supply, or beyond a quantity proposed; surplus.
  • Overply Dictionary O - verb transitive To ply to excess; to exert with too much vigor; to overwork.
  • Overpoise Dictionary O - verb transitive To outweigh; to overbalance.
  • Overpolish Dictionary O - verb transitive To polish too much.
  • Overponderous Dictionary O - adjective Too heavy.
  • Overpost Dictionary O - verb transitive To post over; to pass over swiftly, as by post.
  • Overpotent Dictionary O - adjective Too potent or powerful.
  • Overpowered Dictionary O - imperative & past particle of Overpower.
  • Overpowering Dictionary O - past particle & verb noun of Overpower.
  • Overpower Dictionary O - verb transitive To excel or exceed in power; to cause to yield; to vanquish; to subdue; as, the light overpowers the eyes.
  • Overpraise Dictionary O - verb transitive To praise excessively or unduly.
  • Overpraising Dictionary O - noun The act of praising unduly; excessive praise.
  • Overpress Dictionary O - verb transitive To bear upon with irresistible force; to crush; to overwhelm.
  • Overpressure Dictionary O - noun Excessive pressure or urging.
  • Overprize Dictionary O - verb transitive Toprize excessively; to overvalue.
  • Overproduction Dictionary O - noun Excessive production; supply beyond the demand.
  • Overprompt Dictionary O - adjective Too prompt; too ready or eager; precipitate.
  • Overproof Dictionary O - adjective Containing more alcohol than proof spirit; stronger than proof spirit; that is, containing more than 49.3 per cent by weight of alcohol.
  • Overproportion Dictionary O - verb transitive To make of too great proportion.
  • Overproud Dictionary O - adjective Exceedingly or unduly proud.
  • Overprovident Dictionary O - adjective Too provident.
  • Overprovoke Dictionary O - verb transitive To provoke excessively.
  • Overquell Dictionary O - verb transitive To quell or subdue completely.
  • Overquietness Dictionary O - noun Too much quietness.
  • Overraked Dictionary O - imperative & past particle of Overrake.
  • Overraking Dictionary O - past particle & verb noun of Overrake.
  • Overrake Dictionary O - verb transitive To rake over, or sweep across, from end to end, as waves that break over a vessel anchored with head to the sea.
  • Overrank Dictionary O - adjective Too rank or luxuriant.
  • Overrated Dictionary O - imperative & past particle of Overrate.
  • Overrating Dictionary O - past particle & verb noun of Overrate.
  • Overrate Dictionary O - verb transitive To rate or value too highly.
  • Overreached Dictionary O - imperative & past particle of Overreach.
  • Overraught Dictionary O - of Overreach.
  • Overreaching Dictionary O - past particle & verb noun of Overreach.
  • Overreach Dictionary O - verb transitive To reach above or beyond in any direction.
  • Overreacher Dictionary O - noun One who overreaches; one who cheats; a cheat.
  • Overread Dictionary O - verb transitive To read over, or peruse.
  • Overready Dictionary O - adjective Too ready.
  • Overreckon Dictionary O - verb transitive To reckon too highly.
  • Overred Dictionary O - verb transitive To smear with red.
  • Overrefine Dictionary O - verb transitive To refine too much.
  • Overrefinement Dictionary O - noun Excessive refinement.
  • Overrent Dictionary O - verb transitive To rent for too much.
  • Overrich Dictionary O - adjective Exccessively rich.
  • Overrode Dictionary O - imperative of Override.
  • Overridden Dictionary O - past participle of Override.
  • Overrid Dictionary O - of Override.
  • Overriding Dictionary O - past particle & verb noun of Override.
  • Override Dictionary O - verb transitive To ride over or across; to ride upon; to trample down.
  • Overrigged Dictionary O - adjective Having too much rigging.
  • Overrighteous Dictionary O - adjective Excessively righteous; - usually implying hypocrisy.
  • Overrigid Dictionary O - adjective Too rigid; too severe.
  • Overrigorous Dictionary O - adjective Too rigorous; harsh.
  • Overripe Dictionary O - adjective Matured to excess.
  • Overripen Dictionary O - verb transitive To make too ripe.
  • Overroast Dictionary O - verb transitive To roast too much.
  • Overruled Dictionary O - imperative & past particle of Overrule.
  • Overruling Dictionary O - past particle & verb noun of Overrule.
  • Overrule Dictionary O - verb transitive To rule over; to govern or determine by superior authority.
  • Overruler Dictionary O - noun One who, or that which, controls, governs, or determines.
  • Overran Dictionary O - imperative of Overrun.
  • Overrun Dictionary O - past participle of Overrun.
  • Overrunning Dictionary O - past particle & verb noun of Overrun.
  • Overrunner Dictionary O - noun One that overruns.
  • Oversaturate Dictionary O - verb transitive To saturate to excess.
  • Oversay Dictionary O - verb transitive To say over; to repeat.
  • Overscented Dictionary O - adjective Scented excessively.
  • Overscrupulosity Dictionary O - noun Overscrupulousness.
  • Overscrupulous Dictionary O - adjective Scrupulous to excess.
  • Overscrupulousness Dictionary O - noun The quality or state of being overscrupulous; excess of scrupulousness.
  • Oversea Dictionary O - adjective Beyond the sea; foreign.
  • Overseas Dictionary O - adverb Over the sea; abroad.
  • Oversearch Dictionary O - verb transitive To search all over.
  • Overseason Dictionary O - verb transitive To season too highly.
  • Oversaw Dictionary O - imperative of Oversee.
  • Overseen Dictionary O - past participle of Oversee.
  • Overseeing Dictionary O - past particle & verb noun of Oversee.
  • Oversee Dictionary O - verb transitive To superintend; to watch over; to direct; to look or see after; to overlook.
  • Overseer Dictionary O - noun One who oversees; a superintendent; a supervisor; as, an overseer of a mill; specifically, one or certain public officers; as, an overseer of the poor; an overseer of highways.
  • Overseership Dictionary O - noun The office of an overseer.
  • Oversold Dictionary O - imperative & past particle of Oversell.
  • Overselling Dictionary O - past particle & verb noun of Oversell.
  • Oversell Dictionary O - verb transitive To sell for a higher price than; to exceed in selling price.
  • Overset Dictionary O - imperative & past particle of Overset.
  • Oversetting Dictionary O - past particle & verb noun of Overset.
  • Overshade Dictionary O - verb transitive To cover with shade; to render dark or gloomy; to overshadow.
  • Overshadowed Dictionary O - imperative & past particle of Overshadow.
  • Overshadowing Dictionary O - past particle & verb noun of Overshadow.
  • Overshadow Dictionary O - verb transitive To throw a shadow, or shade, over; to darken; to obscure.
  • Overshadower Dictionary O - noun One that throws a shade, or shadow, over anything.
  • Overshadowy Dictionary O - adjective Overshadowing.
  • Overshake Dictionary O - verb transitive To shake over or away; to drive away; to disperse.
  • Overshine Dictionary O - verb transitive To shine over or upon; to illumine.
  • Overshoe Dictionary O - noun A shoe that is worn over another for protection from wet or for extra warmth; esp., an India-rubber shoe; a galoche.
  • Overshot Dictionary O - imperative & past particle of Overshoot.
  • Overshooting Dictionary O - past particle & verb noun of Overshoot.
  • Overshoot Dictionary O - verb transitive To shoot over or beyond.
  • Oversight Dictionary O - noun Watchful care; superintendence; general supervision.
  • Oversize Dictionary O - verb transitive To surpass in size.
  • Overskip Dictionary O - verb transitive To skip or leap over; to treat with indifference.
  • Overskirt Dictionary O - noun An upper skirt, shorter than the dress, and usually draped.
  • Overslaugh Dictionary O - noun A bar in a river; as, the overslaugh in the Hudson River.
  • Oversleep Dictionary O - verb transitive To sleep beyond; as, to oversleep one's self or one's usual hour of rising.
  • Overslide Dictionary O - verb transitive To slide over or by.
  • Overslip Dictionary O - verb transitive To slip or slide over; to pass easily or carelessly beyond; to omit; to neglect; as, to overslip time or opportunity.
  • Overslop Dictionary O - noun An outer garment, or slop.
  • Overslow Dictionary O - verb transitive To render slow; to check; to curb.
  • Oversmen Dictionary O - pleural of Oversman.
  • Oversman Dictionary O - noun An overseer; a superintendent.
  • Oversnow Dictionary O - verb transitive To cover with snow, or as with snow.
  • Oversoon Dictionary O - adverb Too soon.
  • Oversorrow Dictionary O - verb transitive To grieve or afflict to excess.
  • Oversoul Dictionary O - noun The all-containing soul.
  • Oversow Dictionary O - verb transitive To sow where something has already been sown.
  • Overspan Dictionary O - verb transitive To reach or extend over.
  • Overspeak Dictionary O - verb transitive & intransitive To exceed in speaking; to speak too much; to use too many words.
  • Overspin Dictionary O - verb transitive To spin out to too great length; to protract unduly.
  • Overspread Dictionary O - imperative & past particle of Overspread.
  • Overspreading Dictionary O - past particle & verb noun of Overspread.
  • Overspring Dictionary O - verb transitive To spring or leap over.
  • Overstand Dictionary O - verb transitive To stand on the price or conditions of, so as to lose a sale; to lose by an extravagant price or hard conditions.
  • Overstare Dictionary O - verb transitive To outstare.
  • Overstated Dictionary O - imperative & past particle of Overstate.
  • Overstating Dictionary O - past particle & verb noun of Overstate.
  • Overstate Dictionary O - verb transitive To state in too strong terms; to exaggerate.
  • Overstatement Dictionary O - noun An exaggerated statement or account.
  • Overstayed Dictionary O - imperative & past particle of Overstay.
  • Overstaid Dictionary O - of Overstay.
  • Overstaying Dictionary O - past particle & verb noun of Overstay.
  • Overstay Dictionary O - verb transitive To stay beyond the time or the limits of; as, to overstay the appointed time.
  • Overstepped Dictionary O - imperative & past particle of Overstep.
  • Overstepping Dictionary O - past particle & verb noun of Overstep.
  • Overstep Dictionary O - verb transitive To step over or beyond; to transgress.
  • Overstock Dictionary O - noun Stock in excess.
  • Overstocked Dictionary O - imperative & past particle of Overstock.
  • Overstocking Dictionary O - past particle & verb noun of Overstock.
  • Overstore Dictionary O - verb transitive To overstock.
  • Over-story Dictionary O - noun The clearstory, or upper story, of a building.
  • Overstrained Dictionary O - imperative & past particle of Overstrain.
  • Overstraining Dictionary O - past particle & verb noun of Overstrain.
  • Overstrain Dictionary O - intransitive verb To strain one's self to excess.
  • Overstraitly Dictionary O - adverb Too straitly or strictly.
  • Overstraw Dictionary O - verb transitive To overstrew.
  • Overstrew Dictionary O - verb transitive To strew or scatter over.
  • Overstrict Dictionary O - adjective Excessively strict.
  • Overstride Dictionary O - verb transitive To stride over or beyond.
  • Overstrike Dictionary O - verb transitive To strike beyond.
  • Overstrow Dictionary O - verb transitive See Overstrew.
  • Overstudious Dictionary O - adjective Too studious.
  • Oversubtile Dictionary O - adjective Excessively subtile.
  • Oversum Dictionary O - noun A sum or quantity over; surplus.
  • Oversupply Dictionary O - verb transitive To supply in excess.
  • Oversure Dictionary O - adjective Excessively sure.
  • Oversway Dictionary O - verb transitive To bear sway over.
  • Overswell Dictionary O - verb transitive & intransitive To swell or rise above; to overflow.
  • Overt Dictionary O - adjective Open to view; public; apparent; manifest.
  • Overtook Dictionary O - imperative of Overtake.
  • Overtaken Dictionary O - past participle of Overtake.
  • Overtaking Dictionary O - past particle & verb noun of Overtake.
  • Overtake Dictionary O - verb transitive To come up with in a course, pursuit, progress, or motion; to catch up with.
  • Overtalk Dictionary O - intransitive verb To talk to excess.
  • Overtask Dictionary O - verb transitive To task too heavily.
  • Overtax Dictionary O - verb transitive To tax or to task too heavily.
  • Overtedious Dictionary O - adjective Too tedious.
  • Overtempt Dictionary O - verb transitive To tempt exceedingly, or beyond the power of resistance.
  • Overthrew Dictionary O - imperative of Overthrow.
  • Overthrown Dictionary O - past participle of Overthrow.
  • Overthrowing Dictionary O - past particle & verb noun of Overthrow.
  • Overthrow Dictionary O - verb transitive To throw over; to overturn; to upset; to turn upside down.
  • Overthwart Dictionary O - adjective Having a transverse position; placed or situated across; hence, opposite.
  • Overthwartly Dictionary O - adverb In an overthwart manner; across; also, perversely.
  • Overthwartness Dictionary O - noun The state of being overthwart; perverseness.
  • Overtilt Dictionary O - verb transitive To tilt over; to overturn.
  • Overtime Dictionary O - noun Time beyond, or in excess of, a limit; esp., extra working time.
  • Overtire Dictionary O - verb transitive To tire to excess; to exhaust.
  • Overtitle Dictionary O - verb transitive To give too high a title to.
  • Overtly Dictionary O - adverb Publicly; openly.
  • Overtoil Dictionary O - verb transitive To overwork.
  • Overtone Dictionary O - noun One of the harmonics faintly heard with and above a tone as it dies away, produced by some aliquot portion of the vibrating sting or column of air which yields the fundamental tone; one of the natural harmonic scale of tones, as the octave, twelfth, fifteenth, etc.; an aliquot or "partial" tone; a harmonic. See Harmonic, and Tone.
  • Overtopped Dictionary O - imperative & past particle of Overtop.
  • Overtopping Dictionary O - past particle & verb noun of Overtop.
  • Overtop Dictionary O - verb transitive To rise above the top of; to exceed in height; to tower above.
  • Overtower Dictionary O - verb transitive To tower over or above.
  • Overtrade Dictionary O - intransitive verb To trade beyond one's capital; to buy goods beyond the means of paying for or seleng them; to overstock the market.
  • Overtrading Dictionary O - noun The act or practice of buying goods beyond the means of payment; a glutting of the market.
  • Overtread Dictionary O - verb transitive To tread over or upon.
  • Overtrip Dictionary O - verb transitive To trip over nimbly.
  • Overtroubled Dictionary O - adjective Excessively troubled.
  • Overtrow Dictionary O - intransitive verb To be too trustful or confident; to trust too much.
  • Overtrust Dictionary O - noun Excessive confidence.
  • Overture Dictionary O - An opening or aperture; a recess; a recess; a chamber.
  • Overturned Dictionary O - imperative & past particle of Overturn.
  • Overturning Dictionary O - past particle & verb noun of Overturn.
  • Overturn Dictionary O - verb transitive To turn or throw from a basis, foundation, or position; to overset; as, to overturn a carriage or a building.
  • Overturnable Dictionary O - adjective Capable of being, or liable to be, overturned or subverted.
  • Overturner Dictionary O - noun One who overturns.
  • Overvail Dictionary O - verb transitive See Overveil.
  • Overvaluation Dictionary O - noun Excessive valuation; overestimate.
  • Overvalued Dictionary O - imperative & past particle of Overvalue.
  • Overvaluing Dictionary O - past particle & verb noun of Overvalue.
  • Overvalue Dictionary O - verb transitive To value excessively; to rate at too high a price.
  • Overveil Dictionary O - verb transitive To veil or cover.
  • Overview Dictionary O - noun An inspection or overlooking.
  • Overvote Dictionary O - verb transitive To outvote; to outnumber in votes given.
  • Overwalk Dictionary O - verb transitive To walk over or upon.
  • Overwar Dictionary O - verb transitive To defeat.
  • Overwary Dictionary O - adjective Too wary; too cautious.
  • Overwash Dictionary O - verb transitive To overflow.
  • Overwasted Dictionary O - adjective Wasted or worn out; /onsumed; spent.
  • Overwatch Dictionary O - verb transitive To watch too much.
  • Overwax Dictionary O - intransitive verb To wax or grow too rapindly or too much.
  • Overweak Dictionary O - adjective Too weak; too feeble.
  • Overwear Dictionary O - verb transitive To wear too much; to wear out.
  • Overweary Dictionary O - verb transitive To weary too much; to tire out.
  • Overweather Dictionary O - verb transitive To expose too long to the influence of the weather.
  • Overween Dictionary O - verb transitive To think too highly or arrogantly; to regard one's own thinking or conclusions too highly; hence, to egotistic, arrogant, or rash, in opinion; to think conceitedly; to presume.
  • Overweener Dictionary O - noun One who overweens.
  • Overweening Dictionary O - adjective Unduly confident; arrogant; presumptuous; conceited.
  • Overweigh Dictionary O - verb transitive To exceed in weight; to overbalance; to weigh down.
  • Overweight Dictionary O - noun Weight over and above what is required by law or custom.
  • Overwell Dictionary O - verb transitive To overflow.
  • Overwet Dictionary O - noun Excessive wetness.
  • Overwhelmed Dictionary O - imperative & past particle of Overwhelm.
  • Overwhelming Dictionary O - past particle & verb noun of Overwhelm.
  • Overwhelm Dictionary O - verb transitive To cover over completely, as by a great wave; to overflow and bury beneath; to ingulf; hence, figuratively, to immerse and bear down; to overpower; to crush; to bury; to oppress, etc., overpoweringly.
  • Overwind Dictionary O - verb transitive To wind too tightly, as a spring, or too far, as a hoisting rope on a drum.
  • Overwing Dictionary O - verb transitive To outflank.
  • Overwise Dictionary O - adjective Too wise; affectedly wise.
  • Overwit Dictionary O - verb transitive To outwit.
  • Overword Dictionary O - verb transitive To say in too many words; to express verbosely.
  • Overworked Dictionary O - imperative & past particle of Overwork.
  • Overwrought Dictionary O - of Overwork.
  • Overworking Dictionary O - past particle & verb noun of Overwork.
  • Overwork Dictionary O - verb transitive To work beyond the strength; to cause to labor too much or too long; to tire excessively; as, to overwork a horse.
  • Overworn Dictionary O - verb transitive Worn out or subdued by toil; worn out so as to be trite.
  • Overwrest Dictionary O - verb transitive To wrest or force from the natural or proper position.
  • Overwrestle Dictionary O - verb transitive To subdue by wrestling.
  • Overzeal Dictionary O - noun Excess of zeal.
  • Overzealous Dictionary O - adjective Too zealous.
  • Ovicapsule Dictionary O - noun The outer layer of a Graafian follicle.
  • Ovicell Dictionary O - noun One of the dilatations of the body wall of Bryozoa in which the ova sometimes undegro the first stages of their development. See Illust. of Chilostoma.
  • Ovioular Dictionary O - adjective Of or pertaining to an egg.
  • Ovicyst Dictionary O - noun The pouch in which incubation takes place in some Tunicata.
  • Ovidian Dictionary O - adjective Of or pertaining to the Latin poet Ovid; resembling the style of Ovid.
  • Oviducal Dictionary O - adjective Of or pertaining to oviducts; as, oviducal glands.
  • Oviduct Dictionary O - noun A tube, or duct, for the passage of ova from the ovary to the exterior of the animal or to the part where further development takes place. In mammals the oviducts are also called Fallopian tubes.
  • Oviferous Dictionary O - adjective Egg-bearing; - applied particularly to certain receptacles, as in Crustacea, that retain the eggs after they have been excluded from the formative organs, until they are hatched.
  • Oviform Dictionary O - adjective Having the form or figure of an egg; egg-shaped; as, an oviform leaf.
  • Ovigerons Dictionary O - adjective Bearing eggs; oviferous.
  • Ovile Dictionary O - adjective See Ovine.
  • Ovine Dictionary O - adjective Of or pertaining to sheep; consisting of sheep.
  • Ovipara Dictionary O - noun plural An artifical division of vertebrates, including those that lay eggs; - opposed to Vivipara.
  • Oviparity Dictionary O - noun Generation by means of ova. See Generation.
  • Oviparous Dictionary O - adjective Producing young from rggs; as, an oviparous animal, in which the egg is generally separated from the animal, and hatched after exclusion; - opposed to viviparous.
  • Oviposited Dictionary O - imperative & past particle of Oviposit.
  • Ovipositing Dictionary O - past particle & verb noun of Oviposit.
  • Oviposit Dictionary O - intransitive verb To lay or deposit eggs; - said esp. of insects.
  • Oviposition Dictionary O - noun The depositing of eggs, esp. by insects.
  • Ovipositor Dictionary O - noun The organ with which many insects and some other animals deposit their eggs. Some ichneumon files have a long ovipositor fitted to pierce the eggs or larvae of other insects, in order to lay their own eggs within the same.
  • Ovisac Dictionary O - noun A Graafian follicle; any sac containing an ovum or ova.
  • Ovist Dictionary O - noun Same as Ovulist.
  • Ovococci Dictionary O - pleural of Ovococcus.
  • Ovococcus Dictionary O - noun A germinal vesicle.
  • Ovoid Dictionary O - adjective Alt. of Ovoidal.
  • Ovoidal Dictionary O - adjective Resembling an egg in shape; egg-shaped; ovate; as, an ovoidal apple.
  • Ovolo Dictionary O - noun A round, convex molding. See Illust. of Column.
  • Ovology Dictionary O - noun That branch of natural history which treats of the origin and functions of eggs.
  • Ovoplasma Dictionary O - noun Yolk; egg yolk.
  • Ovotesttis Dictionary O - noun An organ which produces both ova and spermatozoids; an hermaphrodite gland.
  • Ovoviviparous Dictionary O - adjective Oviparous, but hatching the egg while it is within the body, as some fishes and reptiles.
  • Ovular Dictionary O - adjective Relating or belonging to an ovule; as, an ovular growth.
  • Ovulary Dictionary O - adjective Pertaining to ovules.
  • Ovulate Dictionary O - adjective Containing an ovule or ovules.
  • Ovulation Dictionary O - noun The formation of ova or eggs in the ovary, and the discharge of the same. In the mammalian female the discharge occurs during menstruation.
  • Ovule Dictionary O - noun The rudiment of a seed. It grows from a placenta, and consists of a soft nucleus within two delicate coatings. The attached base of the ovule is the hilum, the coatings are united with the nucleus at the chalaza, and their minute orifice is the foramen.
  • Ovuliferous Dictionary O - adjective Producing ovules.
  • Ovulist Dictionary O - noun A believer in the theory (called encasement theory), current during the last century, that the egg was the real animal germ, and that at the time of fecundation the spermatozoa simply gave the impetus which caused the unfolding of the egg, in which all generations were inclosed one within the other. Also called ovist.
  • Ovulite Dictionary O - noun A fossil egg.
  • Ovula Dictionary O - pleural of Ovulum.
  • Ovulum Dictionary O - noun An ovule.
  • Ovums Dictionary O - pleural of Ovum.
  • Ovum Dictionary O - noun A more or less spherical and transparent mass of granular protoplasm, which by a process of multiplication and growth develops into a mass of cells, constituting a new individual like the parent; an egg, spore, germ, or germ cell. See Illust. of Mycropyle.
  • Owch Dictionary O - noun See Ouch.
  • Owed Dictionary O - imperative & past particle of Owe.
  • Owing Dictionary O - past particle & verb noun of Owe.
  • Owe Dictionary O - verb To possess; to have, as the rightful owner; to own.
  • Owel Dictionary O - adjective Equal.
  • Owelty Dictionary O - noun Equality; - sometimes written ovelty and ovealty.
  • Owen Dictionary O - adjective Own.
  • Owenite Dictionary O - noun A follower of Robert Owen, who tried to reorganize society on a socialistic basis, and established an industrial community on the Clyde, Scotland, and, later, a similar one in Indiana.
  • Owher Dictionary O - adverb Anywhere.
  • Owl Dictionary O - noun Any species of raptorial birds of the family Strigidae. They have large eyes and ears, and a conspicuous circle of feathers around each eye. They are mostly nocturnal in their habits.
  • Owled Dictionary O - imperative & past particle of Owl.
  • Owling Dictionary O - past particle & verb noun of Owl.
  • Owler Dictionary O - intransitive verb One who owls; esp., one who conveys contraband goods. See Owling, n.
  • Owleries Dictionary O - pleural of Owlery.
  • Owlery Dictionary O - noun An abode or a haunt of owls.
  • Owlet Dictionary O - noun A small owl; especially, the European species (Athene noctua), and the California flammulated owlet (Megascops flammeolus).
  • Owl-eyed Dictionary O - adjective Having eyes like an owl's.
  • Owlish Dictionary O - adjective Resembling, or characteristic of, an owl.
  • Owlism Dictionary O - noun Affected wisdom; pompous dullness.
  • Owllight Dictionary O - noun Glimmering or imperfect light.
  • Own Dictionary O - verb transitive To grant; to acknowledge; to admit to be true; to confess; to recognize in a particular character; as, we own that we have forfeited your love.
  • Owned Dictionary O - imperative & past particle of Own.
  • Owning Dictionary O - past particle & verb noun of Own.
  • Owner Dictionary O - noun One who owns; a rightful proprietor; one who has the legal or rightful title, whether he is the possessor or not.
  • Ownerless Dictionary O - adjective Without an owner.
  • Ownership Dictionary O - noun The state of being an owner; the right to own; exclusive right of possession; legal or just claim or title; proprietorship.
  • Owre Dictionary O - noun The aurochs.
  • Owse Dictionary O - noun Alt. of Owser.
  • Owser Dictionary O - noun Tanner's ooze. See Ooze, 3.
  • Oxen Dictionary O - pleural of Ox.
  • Ox Dictionary O - noun The male of bovine quadrupeds, especially the domestic animal when castrated and grown to its full size, or nearly so. The word is also applied, as a general name, to any species of bovine animals, male and female.
  • Oxacid Dictionary O - noun See Oxyacid.
  • Oxalan Dictionary O - noun A complex nitrogenous substance C3N3H5O3 obtained from alloxan (or when urea is fused with ethyl oxamate), as a stable white crystalline powder; - called also oxaluramide.
  • Oxalantin Dictionary O - noun A white crystalline nitrogenous substance (C6H4N4O5) obtained by the reduction of parabanic acid; - called also leucoturic acid.
  • Oxalate Dictionary O - noun A salt of oxalic acid.
  • Oxaldehyde Dictionary O - noun Same as Glyoxal.
  • Oxalethyline Dictionary O - noun A poisonous nitrogenous base (C6H10N2) obtained indirectly from oxamide as a thick transparent oil which has a strong narcotic odor, and a physiological action resembling that of atropine. It is probably related to pyridine.
  • Oxalic Dictionary O - adjective Pertaining to, derived from, or contained in, sorrel, or oxalis; specifically, designating an acid found in, and characteristic of, oxalis, and also certain plant of the Buckwheat family.
  • Oxaline Dictionary O - noun See Glyoxaline.
  • Oxalis Dictionary O - noun A genus of plants, mostly herbs, with acid-tasting trifoliolate or multifoliolate leaves; - called also wood sorrel.
  • Oxalite Dictionary O - noun A yellow mineral consisting of oxalate of iron.
  • Oxaluramide Dictionary O - noun Same as Oxalan.
  • Oxalurate Dictionary O - noun A salt of oxaluric acid.
  • Oxaluric Dictionary O - adjective Pertaining to, or designating, a complex nitrogenous acid related to the ureids, and obtained from parabanic acid as a white silky crystalline substance.
  • Oxalyl Dictionary O - noun A hydrocarbon radical (C2O2) regarded as a residue of oxalic acid and occurring in derivatives of it.
  • Oxamate Dictionary O - noun A salt of oxamic acid.
  • Oxamethane Dictionary O - noun Ethyl oxamate, obtained as a white scaly crystalline powder.
  • Oxamethylane Dictionary O - noun Methyl oxamate, obtained as a pearly white crystalline substance.
  • Oxamic Dictionary O - adjective Pertaining to, or designating, an acid NH2.C2O2.HO obtained as a fine crystalline powder, intermediate between oxalic acid and oxamide. Its ammonium salt is obtained by boiling oxamide with ammonia.
  • Oxamide Dictionary O - n A white crystalline neutral substance (C2O2(NH2)2) obtained by treating ethyl oxalate with ammonia. It is the acid amide of oxalic acid. Formerly called also oxalamide.
  • Oxamidine Dictionary O - noun One of a series of bases containing the amido and the isonitroso groups united to the same carbon atom.
  • Oxanillamide Dictionary O - noun A white crystalline nitrogenous substance, obtained indirectly by the action of cyanogen on aniline, and regarded as an anilide of oxamic acid; - called also phenyl oxamide.
  • Oxanilate Dictionary O - noun A salt of oxanilic acid.
  • Oxanilic Dictionary O - adjective Pertaining to, or derived from, oxalic acid and aniline; - used to designate an acid obtained in white crystalline scales by heating these substances together.
  • Oxanilide Dictionary O - noun a white crystalline substance, resembling oxanilamide, obtained by heating aniline oxalate, and regarded as a double anilide of oxalic acid; - called also diphenyl oxamide.
  • Oxbane Dictionary O - noun A poisonous bulbous plant (Buphane toxicaria) of the Cape of Good Hope.
  • Oxbird Dictionary O - noun The dunlin.
  • Oxbiter Dictionary O - noun The cow blackbird.
  • Oxbow Dictionary O - noun A frame of wood, bent into the shape of the letter U, and embracing an ox's neck as a kind of collar, the upper ends passing through the bar of the yoke; also, anything so shaped, as a bend in a river.
  • Oxeye Dictionary O - noun The oxeye daisy. See under Daisy.
  • Oxeyed Dictionary O - adjective Having large, full eyes, like those of an ox.
  • Oxfly Dictionary O - noun The gadfly of cattle.
  • Oxford Dictionary O - adjective Of or pertaining to the city or university of Oxford, England.
  • Oxgang Dictionary O - noun See Bovate.
  • Oxgoad Dictionary O - noun A goad for driving oxen.
  • Oxhead Dictionary O - noun Literally, the head of an ox (emblem of cuckoldom); hence, a dolt; a blockhead.
  • Oxheal Dictionary O - noun Same as Bear's-foot.
  • Oxheart Dictionary O - noun A large heart-shaped cherry, either black, red, or white.
  • Oxhide Dictionary O - noun The skin of an ox, or leather made from it.
  • Oxid Dictionary O - noun See Oxide.
  • Oxidability Dictionary O - noun Capability of being converted into an oxide.
  • Oxidable Dictionary O - adjective Capable of being converted into an oxide.
  • Oxidated Dictionary O - imperative & past particle of Oxidate.
  • Oxidating Dictionary O - past particle & verb noun of Oxidate.
  • Oxidate Dictionary O - verb transitive To oxidize.
  • Oxidation Dictionary O - noun The act or process of oxidizing, or the state or result of being oxidized.
  • Oxidator Dictionary O - noun An oxidizer.
  • Oxide Dictionary O - noun A binary compound of oxygen with an atom or radical, or a compound which is regarded as binary; as, iron oxide, ethyl oxide, nitrogen oxide, etc.
  • Oxidizable Dictionary O - adjective Capable of being oxidized.
  • Oxidized Dictionary O - imperative & past particle of Oxidize.
  • Oxidizing Dictionary O - past particle & verb noun of Oxidize.
  • Oxidize Dictionary O - verb transitive To combine with oxygen, or subject to the action of oxygen, or of an oxidizing agent.
  • Oxidizement Dictionary O - noun Oxidation.
  • Oxidizer Dictionary O - noun An agent employed in oxidation, or which facilitates or brings about combination with oxygen; as, nitric acid, chlorine, bromine, etc., are strong oxidizers.
  • Oxidulated Dictionary O - adjective Existing in the state of a protoxide; - said of an oxide.
  • Oxime Dictionary O - noun One of a series of isonitroso derivatives obtained by the action of hydroxylamine on aldehydes or ketones.
  • Oxindol Dictionary O - noun A white crystalline nitrogenous substance (C8H7NO) of the indol group, obtained by the reduction of dioxindol. It is a so-called lactam compound.
  • Oxiodic Dictionary O - adjective Pertaining to, or designating, certain compounds of iodine and oxygen.
  • Oxlike Dictionary O - adjective Characteristic of, or like, an ox.
  • Oxlip Dictionary O - noun The great cowslip (Primula veris, var. elatior).
  • Oxonate Dictionary O - noun A salt of oxonic acid.
  • Oxonian Dictionary O - adjective Of or relating to the city or the university of Oxford, England.
  • Oxonic Dictionary O - adjective Pertaining to, or designating, a complex nitrogenous acid (C4H5N3O4) not known in the free state, but obtained, in combination with its salts, by a slow oxidation of uric acid, to which it is related.
  • Oxpecker Dictionary O - noun An African bird of the genus Buphaga; the beefeater.
  • Oxshoe Dictionary O - noun A shoe for oxen, consisting of a flat piece of iron nailed to the hoof.
  • Oxter Dictionary O - noun The armpit; also, the arm.
  • Oxtongue Dictionary O - noun A name given to several plants, from the shape and roughness of their leaves; as, Anchusa officinalis, a kind of bugloss, and Helminthia echioides, both European herbs.
  • Oxy- Dictionary O - A prefix, also used adjectively.
  • Oxyacetic Dictionary O - adjective Hydroxyacetic; designating an acid called also glycolic acid.
  • Oxyacid Dictionary O - noun An acid containing oxygen, as chloric acid or sulphuric acid; - contrasted with the hydracids, which contain no oxygen, as hydrochloric acid. See Acid, and Hydroxy-.
  • Oxyammonia Dictionary O - noun Same as Hydroxylamine.
  • Oxybenzene Dictionary O - noun Hydroxy benzene. Same as Phenol.
  • Oxybenzoic Dictionary O - adjective Hydroxybenzoic; pertaining to, or designating, any one of several hydroxyl derivatives of benzonic acid, of which the commonest is salicylic acid.
  • Oxybromic Dictionary O - adjective Pertaining to, or designating, certain compounds of oxygen and bromine.
  • Oxybutyric Dictionary O - adjective Hydroxybutyric; designating any one of a group of metameric acids (C3H6.OH.CO2H).
  • Oxycalcium Dictionary O - adjective Of or pertaining to oxygen and calcium; as, the oxycalcium light. See Drummond light.
  • Oxycaproic Dictionary O - adjective See Leucic.
  • Oxychloric Dictionary O - adjective Of, pertaining to, or designating in general, certain compounds containing oxygen and chlorine.
  • Oxychloride Dictionary O - noun A ternary compound of oxygen and chlorine; as, plumbic oxychloride.
  • Oxycrate Dictionary O - noun A Mixture of water and vinegar.
  • Oxycymene Dictionary O - noun Hydroxy cymene. Same as Carvacrol.
  • Oxygen Dictionary O - noun A colorless, tasteless, odorless, gaseous element occurring in the free state in the atmosphere, of which it forms about 23 per cent by weight and about 21 per cent by volume, being slightly heavier than nitrogen. Symbol O. Atomic weight 15.96.
  • Oxygenated Dictionary O - imperative & past particle of Oxygenate.
  • Oxygenating Dictionary O - past particle & verb noun of Oxygenate.
  • Oxygenate Dictionary O - verb transitive To unite, or cause to combine, with oxygen; to treat with oxygen; to oxidize; as, oxygenated water (hydrogen dioxide).
  • Oxygenation Dictionary O - noun The act or process of combining or of treating with oxygen; oxidation.
  • Oxygenator Dictionary O - noun An oxidizer.
  • Oxygenic Dictionary O - adjective Pertaining to, containing, or resembling, oxygen; producing oxygen.
  • Oxygenium Dictionary O - noun The technical name of oxygen.
  • Oxygenizable Dictionary O - adjective Oxidizable.
  • Oxygenized Dictionary O - imperative & past particle of Oxygenize.
  • Oxygenizing Dictionary O - past particle & verb noun of Oxygenize.
  • Oxygenize Dictionary O - verb transitive To oxidize.
  • Oxygenizement Dictionary O - noun Oxidation.
  • Oxygenous Dictionary O - adjective Oxygenic.
  • Oxygon Dictionary O - noun A triangle having three acute angles.
  • Oxygonal Dictionary O - adjective Alt. of Oxygonial.
  • Oxygonial Dictionary O - adjective Having acute angles.
  • OxYhaemacyanin Dictionary O - noun Alt. of Oxyhaemocyanin.
  • Oxyhaemocyanin Dictionary O - noun See Haemacyanin.
  • Oxyhaemoglobin Dictionary O - noun Alt. of Oxyhemoglobin.
  • Oxyhemoglobin Dictionary O - noun See Hemoglobin.
  • Oxyhydrogen Dictionary O - adjective Of or pertaining to a mixture of oxygen and hydrogen; as, oxyhydrogen gas.
  • Oxymel Dictionary O - noun A mixture of honey, water, vinegar, and spice, boiled to a sirup.
  • Oxymethylene Dictionary O - noun Formic aldehyde, regarded as a methylene derivative.
  • Oxymoron Dictionary O - noun A figure in which an epithet of a contrary signification is added to a word; e. g., cruel kindness; laborious idleness.
  • Oxymuriate Dictionary O - noun A salt of the supposed oxymuriatic acid; a chloride.
  • Oxymuriatic Dictionary O - adjective Pertaining to, or consisting of, oxygen and muriatic acid, that is, hydrochloric acid.
  • Oxyneurine Dictionary O - noun See Betaine.
  • Oxyntic Dictionary O - adjective Acid; producing acid; -applied especially to certain glands and cells in the stomach.
  • Oxyopia Dictionary O - noun Alt. of Oxyopy.
  • Oxyopy Dictionary O - noun Excessive acuteness of sight.
  • Oxyphenic Dictionary O - adjective Pertaining to, or designating, the phenol formerly called oxyphenic acid, and now oxyphenol and pyrocatechin. See Pyrocatechin.
  • Oxyphenol Dictionary O - noun A phenol, /////, produced by the distillation of catechin; called also oxyphenic acid, and now pyrocatechin.
  • Oxyphony Dictionary O - noun Acuteness or shrillness of voice.
  • Oxyquinoline Dictionary O - noun Hydroxy quinoline; a phenol derivative of quinoline, - called also carbostyril.
  • Oxyrhyncha Dictionary O - noun plural The maioid crabs.
  • Oxyrrhodine Dictionary O - noun A mixture of two parts of the oil of roses with one of the vinegar of roses.
  • Oxysalt Dictionary O - noun A salt of an oxyacid, as a sulphate.
  • Oxysulphide Dictionary O - noun A ternary compound of oxygen and sulphur.
  • Oxysulphuret Dictionary O - noun An oxysulphide.
  • Oxytocic Dictionary O - adjective Promoting uterine contractions, or parturition.
  • Oxytoluene Dictionary O - noun One of three hydroxy derivatives of toluene, called the cresols. See Cresol.
  • Oxytone Dictionary O - adjective Having an acute sound; (Gr. Gram.), having an acute accent on the last syllable.
  • Oxytonical Dictionary O - adjective Oxytone.
  • Oyer Dictionary O - noun A hearing or an inspection, as of a deed, bond, etc., as when a defendant in court prays oyer of a writing.
  • Oyez Dictionary O - interjection Hear; attend; - a term used by criers of courts to secure silence before making a proclamation. It is repeated three times.
  • Oylet Dictionary O - noun See Eyelet.
  • Oynoun Dictionary O - noun Onion.
  • Oyster Dictionary O - noun Any marine bivalve mollusk of the genus Ostrea. They are usually found adhering to rocks or other fixed objects in shallow water along the seacoasts, or in brackish water in the mouth of rivers. The common European oyster (Ostrea edulis), and the American oyster (Ostrea Virginiana), are the most important species.
  • Oyster-green Dictionary O - noun A green membranous seaweed (Ulva) often found growing on oysters but common on stones, piles, etc.
  • Oystering Dictionary O - noun Gathering, or dredging for, oysters.
  • Oysterling Dictionary O - noun A young oyster.
  • Ozena Dictionary O - noun A discharge of fetid matter from the nostril, particularly if associated with ulceration of the soft parts and disease of the bones of the nose.
  • Ozocerite Dictionary O - noun A waxlike mineral resin; - sometimes called native paraffin, and mineral wax.
  • Ozonation Dictionary O - noun The act of treating with ozone; also, the act of converting into, or producing, ozone; ozonization.
  • Ozone Dictionary O - noun A colorless gaseous substance (O/) obtained (as by the silent discharge of electricity in oxygen) as an allotropic form of oxygen, containing three atoms in the molecule. It is a streng oxidizer, and probably exists in the air, though by he ordinary tests it is liable to be confused with certain other substances, as hydrogen dioxide, or certain oxides of nitrogen. It derives its name from its peculiar odor, which resembles that of weak chlorine.
  • Ozonic Dictionary O - adjective Pertaining to, resembling, or containing, ozone.
  • Ozonification Dictionary O - noun The act or process of producing, or of subjecting to the action of, ozone.
  • Ozonization Dictionary O - noun Ozonation.
  • Ozonized Dictionary O - imperative & past particle of Ozonize.
  • Ozonizing Dictionary O - past particle & verb noun of Ozonize.
  • Ozonize Dictionary O - verb transitive To convert into ozone, as oxygen.
  • Ozonizer Dictionary O - noun An apparatus or agent for the production or application of ozone.
  • Ozonometer Dictionary O - noun An instrument for ascertaining the amount of ozone in the atmosphere, or in any gaseous mixture.
  • Ozonometric Dictionary O - adjective Pertaining to, or used for, the determination of the amount of ozone; of or relating to ozonometry.
  • Ozonometry Dictionary O - noun The measurement or determination of the quantity of ozone.
  • Ozonoscope Dictionary O - noun An apparatus employed to indicate the presence, or the amount, of ozone.
  • Ozonoscopic Dictionary O - adjective Serving to indicate the presence or the amount of ozone.
  • Ozonous Dictionary O - adjective Pertaining to or containing, ozone.

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