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.

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

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 …

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.

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.

In a vehicle, the coil is the part on a petrol engine that sends electricity to the spark plugs.

Oct 26, 2023 · When an electric current passes through a coil, it creates a magnetic field around the coil. Likewise, when a magnetic field interacts with a coil, it induces an electric current in the wire.

An engine coil, formally known as an ignition coil, is a specialized transformer in the vehicle’s ignition system. Its fundamental purpose is to convert the low voltage supplied by the car’s battery, typically …

May 18, 2025 · The main function of the electric coil is to generate a magnetic field inside the solenoid when an electric current is passed through it. Thus, the electric coils do not allow a sudden change in …