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.
What Does Calling Someone “Mom” On The Internet Mean?While Kim Kardashian was busy “breaking the Internet” with her controversial photoshoot for Paper in November of 2014, New Zealand singer/songwriter Lorde was teaching the world—or at least her Twitter and Tumblr followers—about a new slang use of the word mom.
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
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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012