Ignition-coil
noun
1.
(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.
noun
1.
an induction coil that supplies the high voltage to the sparking plugs of an internal-combustion engine
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noun 1. the system in an internal-combustion engine that produces the spark to ignite the mixture of fuel and air: includes the battery, ignition coil, distributor, spark plugs, and associated switches and wiring.
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