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| ro·ta·ry en·gine (plural ro·ta·ry en·gines) |
noun |
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| Definition: |
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1. internal-combustion engine with rotating cylinders: an internal-combustion engine with cylinders that rotate about a fixed crankshaft
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2. engine powering rotating part: an engine that produces torque or power entirely by a rotating mechanism rather than by a crankshaft and reciprocating piston arrangement.
See also radial engine
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