From WikiMD's Food, Medicine & Wellness Encyclopedia


A knife is a tool with a cutting edge or blade, often attached to a handle or hilt. One of the earliest tools used by humanity, knives appeared at least 2.5 million years ago, as evidenced by the Oldowan tools.[1]

History[edit | edit source]

Originally made of rock, bone, flint, and obsidian, knives have evolved in construction as technology has, with blades being made from bronze, copper, iron, steel, ceramics, and titanium.[2]

Types of Knives[edit | edit source]

There are many types of knives including but not limited to the Butterfly knife, Bowie knife, Pocketknife, Switchblade, and Machete. Each knife has a specific use and is designed to perform specific tasks.[3]

Uses[edit | edit source]

Knives are typically used for a variety of purposes, including hunting, fishing, camping, cooking, and self-defense. The function of the knife is determined by its design and construction.[4]

Legal Issues[edit | edit source]

In many jurisdictions, laws restrict knife possession and use. These laws can vary greatly from one jurisdiction to another, and the responsibility is on the knife owner to understand and follow all applicable laws.[5]

See Also[edit | edit source]

References[edit | edit source]

Knife Resources
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Contributors: Prab R. Tumpati, MD