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.

Nearby words

  1. ignis fatuus,
  2. ignitable,
  3. ignite,
  4. igniter,
  5. ignition,
  6. ignition interlock,
  7. ignition key,
  8. ignition point,
  9. ignition system,
  10. ignitron

Origin of ignition coil

First recorded in 1895–1900

Also called coil.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012