Definition of spark plug in English:

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spark plug

Pronunciation: /ˈspärk ˌpləɡ/


A device for firing the explosive mixture in an internal combustion engine.
Example sentences
  • Then, without the spark plug in place, pull the starter cord slowly, distributing the oil through the cylinder.
  • Sedlack first tried to disable a snowmobile by pulling out a spark plug.
  • He looked over at the battery and saw that the cap on a spark plug was loose.

For editors and proofreaders

Syllabification: spark plug

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