inductor

One that inducts, especially.

A device that functions by or introduces inductance into an electric circuit.

The chemical reactant that initiates or accelerates an induced reaction and is consumed in the process.

One who inducts; the person who inducts another into an office or charge.

In electricity, any part of an instrument or apparatus which acts inductively on another or is so acted upon. See earth-inductor.

Specifically:

The revolving element of an inductor-alternator.

An induction-coil.

The person who inducts another into an office or benefice.

That portion of an electrical apparatus, in which is the inducing charge or current.