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internal combustion engine

noun

Simple 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

Source: Merriam-Webster's Learner's Dictionary

Full Definition of internal combustion engine

  1. :  a heat engine in which the combustion that generates the heat takes place inside the engine proper instead of in a furnace

1884

First Known Use of internal combustion engine

1884


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