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reaction engine

 - 2 dictionary results

reaction engine

–noun Aeronautics, Rocketry.
an engine that produces power as a reaction to the momentum given to gases ejected from it, as a rocket or jet engine.
Also called reaction motor.


Origin:
1865–70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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reaction engine  
n.  An engine that develops thrust by the focused expulsion of matter, especially ignited fuel gases.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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