1 internal combustion engine | Definition of internal combustion engine

internal combustion engine

noun

Definition of internal combustion engine

: 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

Electric cars actually predate the internal combustion engine, and have been around since before the US Civil War. — Gene Berdichevsky For Cnn Business Perspectives, CNN, "The electric car revolution will require us to build better batteries," 14 Aug. 2019 By 1917, there were only 50,000 electric vehicles registered, compared with 3.5 million internal combustion engine cars. — Dan Albert, Vox, "Driverless cars are coming. We’ll miss the thrill of the ride.," 21 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'internal combustion engine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of internal combustion engine

1884, in the meaning defined above

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More Definitions for internal combustion engine

internal combustion engine

noun

English Language Learners Definition of internal combustion engine

: a type of engine that is used for most vehicles : an engine in which the fuel is burned within engine cylinders
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