ignition-coil

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:
1895–1900

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
ignition coil
 
n
an induction coil that supplies the high voltage to the sparking plugs of an internal-combustion engine

Collins English Dictionary - Complete & Unabridged 10th Edition
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