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Internal-combustion engine
/ɪntˈɜːnəlkəmbˈʌstʃən ˈɛndʒɪn/
/ɪntˈɜːnəlkəmbˈʌstʃən ˈɛndʒɪn/Internal-combustion engine
01
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
