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rotary engine definition

rotary engine

  1. an engine in which rotary motion is produced directly, without reciprocating parts, as a steam turbine or Wankel engine
  2. an early type of radial engine with the cylinders rotating around a stationary crankshaft

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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