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.

Look up coil in Wiktionary, the free dictionary.

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.

A coil of rope lay on the beach. A coil of thick blue smoke rose up from his pipe.

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.

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 …

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 …

A wicking material such as cotton pulls the liquid toward a metal coil, where heat turns it into droplets that are tiny enough to inhale.

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Jan 20, 2026 · coil (third-person singular simple present coils, present participle coiling, simple past and past participle coiled) To wind or reel e.g. a wire or rope into regular rings, often around a centerpiece.