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 jaiet ≪ Latin gagātēs < Greek ( líthos) gagā́tēs Gagatic (stone), named after Gágai, town in Lycia; compare obsolete gagate, Middle English, Old English gagātes < Latin, as above

Example sentences 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 jet water 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

Scientific 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.