combustion chamber

noun

: a closed space inside an engine in which fuel is burned

Examples of combustion chamber in a Sentence

Recent Examples on the Web
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After the combination mixes and ignites in the combustion chamber, the resulting high-pressure gases produce thrust and eventually accelerate the rocket into the hypersonic realm. Michael Verdon, Robb Report, 22 Mar. 2025 This sequence is important because the fire starts at the spot where the fuel is injected and spreads to the rest of the combustion chamber. IEEE Spectrum, 30 July 2018 Scramjet Unlike the standard ramjet, the supersonic combustion ramjet—or scramjet—is configured to compress higher-velocity air (typically Mach 5-plus), then pair it with hydrogen fuel for ignition in the combustion chamber. Michael Verdon, Robb Report, 22 Mar. 2025 Cooling the air raises its density, which puts that much more oxygen in the combustion chamber. IEEE Spectrum, 30 July 2018 See All Example Sentences for combustion chamber

Word History

First Known Use

1853, in the meaning defined above

Time Traveler
The first known use of combustion chamber was in 1853

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Cite this Entry

“Combustion chamber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/combustion%20chamber. Accessed 28 Apr. 2025.

Last Updated: - Updated example sentences
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