ignition coil
noun
(in an automotive ignition system) a transformer consisting of two wire windings or coils in which low-voltage direct current is fed through the primary winding to generate high-voltage spark pulses in the secondary winding.
Also called
coil.
Origin of ignition coil
First recorded in 1895–1900
Words nearby ignition coil
ignipuncture,
ignis fatuus,
ignite,
igniter,
ignition,
ignition coil,
ignition interlock,
ignition key,
ignition point,
ignition system,
ignitron
British Dictionary definitions for ignition coil
ignition coil
noun
an induction coil that supplies the high voltage to the sparking plugs of an internal-combustion engine