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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Unlike the gas cap on internal combustion engine cars, the port on an EV could be almost anywhere. 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. Erik Shilling, Robb Report, 29 Jan. 2025 And that's under the hood of every internal combustion engine car. 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. Jason Ma, Fortune Asia, 13 Jan. 2025 See all Example Sentences for internal combustion engine 

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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