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  • jet
    jet
    noun
    a stream of a liquid, gas, or small solid particles forcefully shooting forth from a nozzle, orifice, etc.
  • JET
    JET
    acronym
    Joint European Torus; a tokamak plasma-containment device at Culham, Oxfordshire, for research into energy production by nuclear fusion
Synonyms

jet

1 American  
[jet] / dʒɛt /

noun

  1. a stream of a liquid, gas, or small solid particles forcefully shooting forth from a nozzle, orifice, etc.

  2. something that issues in such a stream, as water or gas.

  3. a spout or nozzle for emitting liquid or gas.

    a gas jet.

  4. jet plane.

  5. jet engine.


verb (used without object)

jetted, jetting
  1. to travel by jet plane.

    to jet to Las Vegas for the weekend.

  2. to move or travel by means of jet propulsion.

    The octopus jetted away from danger.

  3. to be shot forth in a stream.

  4. to move or travel rapidly.

    The star halfback jetted toward the goal line.

verb (used with object)

jetted, jetting
  1. to transport by jet plane.

    The nonstop service from New York will jet you to Tokyo in 13 hours.

  2. to shoot (something) forth in a stream; spout.

  3. to place (a pile or the like) by eroding the ground beneath it with a jet of water or of water and compressed air.

adjective

  1. of, relating to, or associated with a jet, jet engine, or jet plane.

    jet pilot; jet exhaust.

  2. in the form of or producing a jet or jet propulsion.

    jet nozzle.

  3. by means of a jet plane.

    a jet trip; jet transportation.

jet 2 American  
[jet] / dʒɛt /

noun

  1. a compact black coal, susceptible of a high polish, used for making beads, jewelry, buttons, etc.

  2. a deep black.

  3. Obsolete. black marble.


adjective

  1. consisting or made of jet.

  2. of the color jet; black as jet.

jet 1 British  
/ dʒɛt /

noun

  1. a thin stream of liquid or gas forced out of a small aperture or nozzle

  2. an outlet or nozzle for emitting such a stream

  3. a jet-propelled aircraft

  4. astronomy a long thin feature extending from an active galaxy and usually observed at radio wavelengths

"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

verb

  1. to issue or cause to issue in a jet

    water jetted from the hose

    he jetted them with water

  2. to transport or be transported by jet aircraft

"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
jet 2 British  
/ dʒɛt /

noun

    1. a hard black variety of coal that takes a brilliant polish and is used for jewellery, ornaments, etc

    2. ( as modifier )

      jet earrings

"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

JET 3 British  
/ dʒɛt /

acronym

  1. 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

jet Scientific  
/ jĕt /
  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.


Etymology

Origin of jet1

First recorded in 1660–70; 1940–45 jet 1 for def. 4; from Middle French jeter “to throw,” from unrecorded Vulgar Latin jectāre, from Latin jactus, past participle of jacere “to throw”

Origin of jet2

First recorded in 1350–1400; Middle English jet(e), get(e), from Old French jaiet, gaiet, from Latin gagātēs, from Greek (líthos) gagā́tēs “Gagatic (stone),” named after Gágai, town in Lycia

Explanation

A jet is an airplane that can rapidly travel long distances. To jet is the act of getting somewhere quickly, by jet or any other way, as in, "Do you see what time it is? We better jet!" A jet is an aircraft that gets its power from jet engines rather than propellers. Jets are fast — that's probably why as a verb, jet means "to move quickly," either by taking a jet, like the celebrities who jet around the world, or the more ordinary "if I don't jet, I'll be late for school." Dishwashers and certain kinds of tubs have jets, tiny openings that push water out with great force. The streams of water are also called, you guessed it, jets.

Keep Reading on Vocabulary.com

Vocabulary lists containing jet

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A new world record for energy generated by nuclear fusion - the process that powers the stars - has been set at the UK-based JET laboratory.

From BBC • Feb. 8, 2024

Despite the records, the JET site faced many difficulties and delays, with experiments suspended for nearly a decade in the mid-2000s while the internal structure was replaced, according to Fernanda Rimini, JET senior exploitation manager.

From BBC • Oct. 13, 2023

The acquisition gives JET a foothold in the U.S. market, but the newly merged company is already facing pressure to sell off Grubhub as JET’s stock continues to tumble on the Amsterdam stock exchange.

From Washington Post • Mar. 24, 2022

Joe Milnes, head of JET operations, says the reactor will have one more experimental run, from mid-2022 to the end of 2023, before closing.

From Science Magazine • Feb. 9, 2022

JET What color is my gown of?—Black, forsooth: coal-black as jet.

From Shakespeare and Precious Stones Treating of the Known References of Precious Stones in Shakespeare's Works, with Comments as to the Origin of His Material, the Knowledge of the Poet Concerning Precious Stones, and References as to Where the Precious Stones of His Time Came from by Kunz, George Frederick