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[jet] /dʒɛt/
a stream of a liquid, gas, or small solid particles forcefully shooting forth from a nozzle, orifice, etc.
something that issues in such a stream, as water or gas.
a spout or nozzle for emitting liquid or gas:
a gas jet.
verb (used without object), jetted, jetting.
to travel by jet plane:
to jet to Las Vegas for the weekend.
to move or travel by means of jet propulsion:
The octopus jetted away from danger.
to be shot forth in a stream.
to move or travel rapidly:
The star halfback jetted toward the goal line.
verb (used with object), jetted, jetting.
to transport by jet plane:
The nonstop service from New York will jet you to Tokyo in 13 hours.
to shoot (something) forth in a stream; spout.
to place (a pile or the like) by eroding the ground beneath it with a jet of water or of water and compressed air.
of, relating to, or associated with a jet, jet engine, or jet plane:
jet pilot; jet exhaust.
in the form of or producing a jet or jet propulsion:
jet nozzle.
by means of a jet plane:
a jet trip; jet transportation.
Origin of jet1
1580-90; 1940-45 for def 4; < Middle French jeter to throw < Vulgar Latin *jectāre, alteration of Latin jactāre, equivalent to jac- throw + -t- frequentative suffix + -āre infinitive suffix Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for jetting
Contemporary Examples
Historical Examples
  • Provision had been made for jetting, if necessary, but it was not used.

  • At any rate, the huge craft came curving around in the air, and its blunt nose started spewing out a jetting ribbon of red flame.

    Dave Dawson on Guadalcanal Robert Sydney Bowen
  • The jetting ribbons of flame marked the efforts of the Jap gunners aboard to get the diving Dauntless in their sights.

    Dave Dawson on Guadalcanal Robert Sydney Bowen
  • Sinking concrete piles by means of water jets is in all respect a process similar to that of jetting wooden piles.

    Concrete Construction Halbert P. Gillette
  • The progress of jetting varied greatly owing to obstructions in places in the shape of logs, old iron pipes, etc.

    Concrete Construction Halbert P. Gillette
  • jetting, of Dartmouth, followed, and the New Hampshire lads greeted him in a manner that brought the blood to his cheeks.

    Frank Merriwell's Races

    Burt L. Standish
  • Then came a fierce struggle for the lead, which ended with the weakening of both Beatty and jetting.

    Frank Merriwell's Races

    Burt L. Standish
British Dictionary definitions for jetting


a thin stream of liquid or gas forced out of a small aperture or nozzle
an outlet or nozzle for emitting such a stream
a jet-propelled aircraft
(astronomy) a long thin feature extending from an active galaxy and usually observed at radio wavelengths
verb jets, jetting, jetted
to issue or cause to issue in a jet: water jetted from the hose, he jetted them with water
to transport or be transported by jet aircraft
Word Origin
C16: from Old French jeter to throw, from Latin jactāre to toss about, frequentative of jacere to throw


  1. a hard black variety of coal that takes a brilliant polish and is used for jewellery, ornaments, etc
  2. (as modifier): jet earrings
Word Origin
C14: from Old French jaiet, from Latin gagātēs, from Greek lithos gagatēs stone of Gagai, a town in Lycia, Asia Minor


noun acronym
Joint European Torus; a tokamak plasma-containment device at Culham, Oxfordshire, for research into energy production by nuclear fusion
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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Word Origin and History for jetting



early 15c., "to prance, strut, swagger," from Middle French jeter "to throw, thrust," from Late Latin iectare, abstracted from deiectare, proiectare, etc., in place of Latin iactare "toss about," frequentative of iacere "to throw, cast," from PIE root *ye- "to do" (cf. Greek iemi, ienai "to send, throw;" Hittite ijami "I make"). Meaning "to sprout or spurt forth" is from 1690s. Related: Jetted; jetting.



"deep black lignite," mid-14c., from Anglo-French geet, Old French jaiet "jet, lignite" (12c.), from Latin gagates, from Greek gagates lithos "stone of Gages," town and river in Lycia. As "a deep black color," also as an adjective, attested from mid-15c.



"stream of water," 1690s, from French jet, from jeter (see jet (v.)). Sense of "spout or nozzle for emitting water, gas, fuel, etc." is from 1825. Hence jet propulsion (1867) and the noun meaning "airplane driven by jet propulsion" (1944, from jet engine, 1943). The first one to be in service was the German Messerschmitt Me 262. Jet stream is from 1947. Jet set first attested 1951, slightly before jet commuter plane flights began. Jet age is attested from 1952.

Online Etymology Dictionary, © 2010 Douglas Harper
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jetting in Science
  1. A rapid stream of liquid or gas forced through a small opening or nozzle under pressure.

  2. An aircraft or other vehicle propelled by one or more jet engines.

  3. A jet engine.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang definitions & phrases for jetting



To leave; air out, split (1990s+ Teenagers)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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