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| Wan·kel en·gine [ wángk'l ènjin ] (plural Wan·kel en·gines) |
noun |
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| Definition: |
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internal-combustion engine without pistons: an internal-combustion engine in which an approximately triangular rotor inside an elliptical combustion chamber replaces the pistons of a conventional engine, thus reducing the number of moving parts
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| [Mid-20th century. After Felix Wankel (1902-1988), German engineer] |
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