Look up coil in Wiktionary, the free dictionary.

The IUD or 'coil ' is a small plastic (or plastic and copper) device, not much longer than a match, which is placed inside your womb, where it prevents you from getting pregnant.

COIL definition: a connected series of spirals or rings that rope, wire, or the like has been formed into. See examples of coil used in a sentence.

Coil, in an electric circuit, one or more turns, usually roughly circular or cylindrical, of current-carrying wire designed to produce a magnetic field or to provide electrical resistance or inductance; in the …

1. to wind into continuous rings one above the other or one around the other. 2. to gather (rope, wire, etc.) into loops: Coil the garden hose and hang it up.

A coil is also anything having the shape of a series of circles, one above the other:

There are many different types of coils used in electric and electronic equipment. In a coil of multiple turns of wire the magnetic field of the turns adds in the center of the coil, creating a strong field. This …

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The coil is a contraceptive device used by women. It is fitted inside a woman's womb, usually for several months or years.

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