Origin of jet

1
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

Definition for jet (2 of 2)

jet

2
[ jet ]
/ dʒɛt /

noun

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

adjective

consisting or made of jet.
of the color jet; black as jet.

Origin of jet

2
1350–1400; Middle English jet, get < Old French jaietLatin gagātēs < Greek (líthos) gagā́tēs Gagatic (stone), named after Gágai, town in Lycia; compare obsolete gagate, Middle English, Old English gagātes < Latin, as above
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for jet

British Dictionary definitions for jet (1 of 3)

jet

1
/ (dʒɛt) /

noun

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 or jetted

to issue or cause to issue in a jetwater jetted from the hose; he jetted them with water
to transport or be transported by jet aircraft

Word Origin for jet

C16: from Old French jeter to throw, from Latin jactāre to toss about, frequentative of jacere to throw

British Dictionary definitions for jet (2 of 3)

jet

2
/ (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

Word Origin for jet

C14: from Old French jaiet, from Latin gagātēs, from Greek lithos gagatēs stone of Gagai, a town in Lycia, Asia Minor

British Dictionary definitions for jet (3 of 3)

JET

/ (dʒɛt) /

n acronym for

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

Science definitions for jet

jet

[ jĕt ]

A rapid stream of liquid or gas forced through a small opening or nozzle under pressure.
An aircraft or other vehicle propelled by one or more jet engines.
A jet engine.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.