reciprocating engine 1
noundomain: artefact
Princeton WordNet [ver.3.1]
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EnglishDefinition
an internal-combustion engine in which the crankshaft is turned by pistons moving up and down in cylinders
Hypernym
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
Part_meronym
crankcase 1
noun
housing for a crankshaft
crankshaft 1
noun
a rotating shaft driven by (or driving) a crank
engine block 1
noun
a metal casting containing the cylinders and cooling ducts of an engine
piston 2
noun
mechanical device that has a plunging or thrusting motion
EnglishHyponym
an internal combustion engine with valves placed in the engine block beside the piston, instead of in the cylinder head, as in an overhead valve engine.
An overhead valve engine (OHV engine) is an engine in which the valves are placed over the cylinder head.
Part_holonym
crankcase 1
noun
housing for a crankshaft
crankshaft 1
noun
a rotating shaft driven by (or driving) a crank
engine block 1
noun
a metal casting containing the cylinders and cooling ducts of an engine
piston 2
noun
mechanical device that has a plunging or thrusting motion
