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Meaning of ignition coil

igni'tion coil"

Pronunciation: [key]
  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. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.