[ ig-nish-uhn ]
See synonyms for ignition on Thesaurus.com
  1. the act or fact of igniting; state of being ignited.

  2. a means or device for igniting.

  1. (in an internal-combustion engine) the process that ignites the fuel in the cylinder.

Origin of ignition

1605–15; Medieval Latin ignītiōn- (stem of ignītiō) a setting on fire. See ignite, -ion

Other words from ignition

  • re·ig·ni·tion, noun

Words Nearby ignition

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use ignition in a sentence

British Dictionary definitions for ignition


/ (ɪɡˈnɪʃən) /

  1. the act or process of initiating combustion

  2. the process of igniting the fuel in an internal-combustion engine

  1. the ignition the devices used to ignite the fuel in 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