| NOUN | artifact | reciprocating engine | an internal-combustion engine in which the crankshaft is turned by pistons moving up and down in cylinders |
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| Meaning | An internal-combustion engine in which the crankshaft is turned by pistons moving up and down in cylinders. | |
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| Parts | crankcase | housing for a crankshaft |
| crankshaft | A rotating shaft driven by (or driving) a crank | |
| engine block, cylinder block, block | A metal casting containing the cylinders and cooling ducts of an engine | |
| piston, plunger | mechanical device that has a plunging or thrusting motion | |
| Broader | internal-combustion engine, ICE | A heat engine in which combustion occurs inside the engine rather than in a separate furnace |
| Catalan | motor d'explosió | |
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