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    EXTERNAL-COMBUSTION ENGINE Antonyms

    There is 1 antonym of the phrase external-combustion engine. (opposite meanings)
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    Definition of EXTERNAL-COMBUSTION ENGINE
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    engine

    Best Opposite Words For EXTERNAL-COMBUSTION ENGINE

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    internal-combustion engine
    		nounn
    noun

    • a heat engine in which combustion occurs inside the engine rather than in a separate furnace; heat expands a gas that either moves a piston or turns a gas turbine

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