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jet propulsion

the propulsion of a body by its reaction to a force ejecting a gas or a liquid from it. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for jet-propulsion

jet propulsion

propulsion by means of a jet of fluid
propulsion by means of a gas turbine, esp when the exhaust gases provide the propulsive thrust
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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jet-propulsion in Science
jet propulsion  
  1. The driving of an aircraft by the powerful thrust developed when a jet of gas is forced out of a jet engine.

  2. Propulsion by means of any fluid that is forced out in a stream in the opposite direction. Squids, octopuses, and cuttlefish, for example, jet their way through the ocean by taking in and then quickly expelling water.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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