ignition coil

English Thesaurus

1. an induction coil that converts current from a battery into the high-voltage current required by spark plugs (noun.artifact)

hypernym	:	induction coil,
definition	:	a coil for producing a high voltage from a low-voltage source (noun.artifact)

part meronym	:	ignition, ignition system,
definition	:	the mechanism that ignites the fuel in an internal-combustion engine (noun.artifact)