English > internal-combustion engine: 1 sense > noun 1, artifact| Meaning | 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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| Synonym | ICE |
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| Part of | motor vehicle, automotive vehicle | A self-propelled wheeled vehicle that does not run on rails |
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| motorboat, powerboat | A boat propelled by an internal-combustion engine |
| Parts | engine block, cylinder block, block | A metal casting containing the cylinders and cooling ducts of an engine |
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| lubricating system, force-feed lubricating system, force feed, pressure-feed lubricating system, pressure feed | mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings |
| poppet, poppet valve | A mushroom-shaped valve that rises perpendicularly from its seat |
| self-starter | An electric starting motor that automatically starts an internal-combustion engine |
| supercharger | compressor that forces increased oxygen into the cylinders of an internal-combustion engine |
| Narrower | diesel, diesel engine, diesel motor | An internal-combustion engine that burns heavy oil |
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| four-stroke engine, four-stroke internal-combustion engine | An internal-combustion engine in which an explosive mixture is drawn into the cylinder on the first stroke and is compressed and ignited on the second stroke |
| gas engine | An internal-combustion engine similar to a gasoline engine but using natural gas instead of gasoline vapor |
| gasoline engine, petrol engine | An internal-combustion engine that burns gasoline |
| outboard motor, outboard | internal-combustion engine that mounts at stern of small boat |
| radial engine, rotary engine | An internal-combustion engine having cylinders arranged radially around a central crankcase |
| reciprocating engine | An internal-combustion engine in which the crankshaft is turned by pistons moving up and down in cylinders |
| rotary engine | An internal-combustion engine in which power is transmitted directly to rotating components |
| valve-in-head engine | internal-combustion engine having both inlet and exhaust valves located in the cylinder head |
| Broader | heat engine | Any engine that makes use of heat to do work |
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| Spanish | motor de combustión interna |
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