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sparking plug

noun, British.
spark plug (def 1).
Origin of sparking plug
First recorded in 1900-05 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for sparking plug
Historical Examples
  • I changed the sparking plug, hoping for better results, but in vain.

  • He called on Lowther to get down, and together the two men began to examine a sparking plug with wholly fictitious energy.

    The Crime Club William Holt-White
  • There was a series of explosions as though the sparking plug of a motor-bicycle was playing tricks.

  • "Not at all," I replied, thinking he wanted to ask the way or borrow a sparking plug—or maybe beg a match.

British Dictionary definitions for sparking plug

sparking plug

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 rod Also called spark plug
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
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