internal combustion engine

noun

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


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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