glow plug
noun
: a heating element in a diesel-engine cylinder to preheat the air and facilitate starting
also
: a similar element for ignition in other internal combustion engines
Examples of glow plug in a Sentence
Recent Examples on the Web
The engine starts quickly (after a 10-second pause spent waiting for the glow plugs to warm the prechambers) but clatters like a big rig.
—
Frank Markus, Car and Driver, 9 Sep. 2023
Thanks to active thermal management and ceramic glow plugs, an engine block heater is not needed until minus-22 degrees F, Chevy said.
—Jeff Yip, Houston Chronicle, 2 July 2019
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Frank Markus, Car and Driver, 9 Sep. 2023
Thanks to active thermal management and ceramic glow plugs, an engine block heater is not needed until minus-22 degrees F, Chevy said.
—Jeff Yip, Houston Chronicle, 2 July 2019
Cite this Entry
“Glow plug.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glow%20plug. Accessed 19 Apr. 2025.
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