glow plug

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glow plug

n.
A small electric heating element in an internal-combustion engine that facilitates starting by preheating the air in a cylinder and is used especially in diesel engines.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

glow plug

n
(Automotive Engineering) one of usually four plugs fitted to the cylinder block of a diesel engine that warms the engine chamber to facilitate starting in cold weather. Also called: heater plug
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

glow′ plug`


n.
a device with a heating element that spreads fuel combustion at each cylinder of a cold diesel engine.
[1940–45]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
The inspection also observed that engines were not operational with no rudder posts, ampere gauge, canvass alternator and heater plug.
This device could be broken or there may be a defective heater plug. This is the part that increases the temperature in the combustion chamber to help the vehicle start.
Common automotive parts that use these rubber compounds are rotary shaft seals, valve seals, heater plug seals, o-rings, cable grommets, plug connectors and cylinder-head seals.