internal combustion engine

noun
Updated on: 17 Jan 2018

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

Recent Examples of internal combustion engine from the Web

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.

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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