(obsolete) An old game in which seats are changed by the players.

A transformer that produces a high voltage alternating current pulse from a low voltage direct current supply, especially such a device in the starter motor of an automobile

(physics) one of a pair of flat coils, having equal numbers of turns and equal diameters, arranged on a common axis and connected in series; used to obtain a nearly uniform magnetic field without the use of a long solenoid

A coil, carrying an electric current, that serves to deflect and thus extinguish an arc formed when the contacts of a switch part to turn off the current.

(electronics) A coil of wire attached to the apex of the cone of a loudspeaker that provides the motive force to the cone by the reaction of a magnetic field to the current passing through it.

Alternative spelling of coilgun

(dated, electronics) A small coil in series with the anode of a vacuum tube and coupled to the grid to provide feedback.

(idiomatic, transitive, intransitive) to make, or become, coiled

A machine that winds wire into electromagnetic coils. / A person whose job it is to wind electromagnetic coils.

A type of resonant transformer circuit used to produce high-voltage, low-current, high-frequency alternating-current electricity.