glow plug
noun Automotive, Machinery.
a device for each cylinder of a diesel engine with a heating element to heat the incoming fuel and air so that combustion will take place more readily when the engine is cold.
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Nearby words
glover's suture, gloversville, glow, glow discharge, glow lamp, glow plug, glow-worm, glower, glowering, glowfly, glowing
Origin of glow plug
First recorded in 1940–45
Related formsglow-plug, adjective
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for glow plug
glow plug
noun
one of usually four plugs fitted to the cylinder block of a diesel engine that warms the engine chamber to facilitate starting in cold weatherAlso called: heater plug
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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