precombustion chamber
noun
: an auxiliary space in which combustible gases are ignited and combustion started ahead of the main combustion chamber of a jet or gas engine
The glow plug is an electrically operated device that protrudes into the precombustion chamber. When energized the glow plug tip heats to a dull red. The swirling, highly compressed air-fuel mixture is heated by the glow plug tip.—
Auto Fundamentals
Auto Fundamentals
Word History
First Known Use
1914, in the meaning defined above
Time Traveler
The first known use of precombustion chamber was
in 1914
Dictionary Entries Near precombustion chamber
Cite this Entry
“Precombustion chamber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/precombustion%20chamber. Accessed 4 Oct. 2023.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share