from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An engine that develops thrust by ejecting a jet, especially a jet of gaseous combustion products.
  • n. An engine that obtains the oxygen needed from the atmosphere, used especially to propel aircraft and distinguished from rocket engines having self-contained fuel-oxidizer systems.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. an engine that obtains thrust by taking in air at the front, using it to burn fuel, then ejecting the hot combustion products at the rear through a propulsive nozzle
  • n. any engine propelled by expelling a high speed fluid jet (jet propulsion), such as a rocket, turbojet, turbofan, ramjet etc.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a gas turbine produces a stream of hot gas that propels a jet plane by reaction propulsion


Sorry, no etymologies found.


  • Some years ago, Jack Welch entered his Stamford, Connecticut, office early one morning to find a message that a business emergency had arisen at General Electric’s jet engine division in Ohio.

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  • United Technologies Corp. is the parent company of jet engine manufacturer Pratt &

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  • And West threw his end of the safety rope past Judah…into the stillrotating jet engine of theHalicarnassus, hovering immediately behind Judah.

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  • Imagine what a mess the jet engine would be if Sir Frank Whittle and Dr Hans von Ohain, its two independent inventors, had been forced to abide by a rule that said: ‘You are not allowed to start with a clean sheet on your drawing board.


  • The basic concept for a lunar landing research vehicle that the Drake group arrived at in mid-1961 was to mount a jet engine in a gimbal placed underneath the test vehicle so that the thrust produced by the jet always pointed upward.

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