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internal combustion engine
noun
: a heat engine in which the combustion that generates the heat takes place inside the engine proper instead of in a furnace
Examples of internal combustion engine in a Sentence
Recent Examples on the Web
Unlike the gas cap on internal combustion engine cars, the port on an EV could be almost anywhere.
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Emily Forlini, PCMAG, 30 Jan. 2025
Automakers will also be keeping a close eye on those numbers in the months and years to come, and, for Porsche, manual 718s — and internal combustion engine 718s, period — are already on their way out this year.
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Erik Shilling, Robb Report, 29 Jan. 2025
And that's under the hood of every internal combustion engine car.
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Tracy Smith, CBS News, 19 Jan. 2025
Just about every car brand at the Suntec City exhibition hall, which hosted the car show from Jan. 9 to 12, showed off at least one hybrid or battery electric vehicle, as world car markets continue their drive away from internal combustion engine (ICE) vehicles.
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Jason Ma, Fortune Asia, 13 Jan. 2025
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Word History
First Known Use
1884, in the meaning defined above
Time Traveler
The first known use of internal combustion engine was
in 1884
Dictionary Entries Near internal combustion engine
Cite this Entry
“Internal combustion engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/internal%20combustion%20engine. Accessed 16 Feb. 2025.
Kids Definition
internal combustion engine
noun
: an engine in which the fuel is ignited within the engine cylinder instead of in an external furnace
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