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
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The biggest change will be the power unit, which will be powered by electric power and an internal combustion engine running on sustainable fuel, in an equal ratio.
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Saajan Jogia, MSNBC Newsweek, 24 Sep. 2025
The 718 was also supposed to go all-electric around now, with the last internal combustion engine models rolling off factory floors next month.
—Erik Shilling, Robb Report, 23 Sep. 2025
Today, the majority of new internal combustion engine, hybrid and electric vehicles feature standard push-start systems.
—Charles Singh, USA Today, 18 Sep. 2025
In 1858, the BelgianFrench engineer Étienne Lenoir invented the first commercial internal combustion engine.
—Alan Lightman
september 12, Literary Hub, 12 Sep. 2025
See All Example Sentences for internal combustion engine
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Saajan Jogia, MSNBC Newsweek, 24 Sep. 2025
The 718 was also supposed to go all-electric around now, with the last internal combustion engine models rolling off factory floors next month.
—Erik Shilling, Robb Report, 23 Sep. 2025
Today, the majority of new internal combustion engine, hybrid and electric vehicles feature standard push-start systems.
—Charles Singh, USA Today, 18 Sep. 2025
In 1858, the BelgianFrench engineer Étienne Lenoir invented the first commercial internal combustion engine.
—Alan Lightman
september 12, Literary Hub, 12 Sep. 2025
See All Example Sentences for 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 29 Sep. 2025.
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