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

First Known Use of internal combustion engine

1884


INTERNAL COMBUSTION ENGINE Defined for English Language Learners

internal combustion engine

noun

Definition of internal combustion engine for English Language Learners

  • : 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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