Internal-combustion Engine — synonyms, definition

1. internal-combustion engine (Noun)

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internal-combustion engine (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.

heat engine diesel diesel engine diesel motor four-stroke engine four-stroke internal-combustion engine gas engine gasoline engine outboard outboard motor petrol engine radial engine reciprocating engine rotary engine valve-in-head engine block cylinder block engine block force feed force-feed lubricating system lubricating system poppet poppet valve pressure feed pressure-feed lubricating system self-starter supercharger automotive vehicle motor vehicle motorboat powerboat