• synonyms

sparking plug

See more synonyms for sparking plug on Thesaurus.com
noun British.
  1. spark plug(def 1).
Show More

Origin of sparking plug

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sparking plug

Historical Examples

  • I made sure that the oil was circulating, and cleaned the sparking-plug, but the trouble was not remedied.

    The Home of the Blizzard

    Douglas Mawson

British Dictionary definitions for sparking plug

sparking plug

  1. a device screwed into the cylinder head of an internal-combustion engine to ignite the explosive mixture by means of an electric spark which jumps across a gap between a point earthed to the body of the plug and the tip of a central insulated rodAlso called: spark plug
Show More
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