 internal-combustion_engine |
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| 1. | [ noun ] (physics) 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 | |
| Related terms: | heat_engine outboard_motor reciprocating_engine rotary_engine radial_engine four-stroke_engine gas_engine Diesel valve-in-head_engine gasoline_engine motor_vehicle motorboat supercharger poppet self-starter lubricating_system engine_block | |
