internal-combustion engine

Noun

1.

internal-combustion engine - 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 Synonyms: ICE

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