jet

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jet¹

  • /ˈd͡ʒɛt/

Rhymes with -ɛt

Where it comes from

Borrowed from French jet (“spurt”, literally “a throw”), from Old French get, giet, from Vulgar Latin *iectus, *jectus, from Latin iactus (“a throwing, a throw”), from iacere (“to throw”). See abject, ejaculate, gist, jess, jut. Cognate with Spanish echar.

noun jets

  1. A collimated stream, spurt or flow of liquid or gas from a pressurized container, an engine, etc. In the floor of the valley the line passes hills of fantastic shape, like sleeping camels and inverted washbasins, and you can see the beautiful lakes Naivasha and Elementeita; at Eburru jets of steam spurt out of the ground.
  2. A spout or nozzle for creating a jet of fluid.
  3. A type of airplane using jet engines rather than propellers. One of the other two nations to operate the F-35B, the United Kingdom, has had US versions of the jet operating off its HMS Queen Elizabeth aircraft carrier.
  4. A turbine.
  5. A rocket engine.
  6. A part of a carburetor that controls the amount of fuel mixed with the air.
  7. A narrow cone of hadrons and other particles produced by the hadronization of a quark or gluon.
  8. dated Drift; scope; range, as of an argument.
  9. dated The sprue of a type, which is broken from it when the type is cold.

verb jets · jetting · jetted

  1. intransitive To spray out of a container.
  2. transitive To spray with liquid from a container. Farmers may either dip or jet sheep with chemicals.
  3. intransitive To travel on a jet aircraft or otherwise by jet propulsion
  4. intransitive To move (running, walking etc.) rapidly around
  5. To shoot forward or out; to project; to jut out. The Town has the outer Branch of the River behind it, and the Harbour before it, jetting into which latter are cloſe Keys for the weighing and receiving of Cuſtomage on Merchandize, and for the meeting and conferring of Merchants and Traders.
  6. To strut; to walk with a lofty or haughty gait; to be insolent; to obtrude. Why, lords, and think you not how dangerous It is to jet upon a prince’s right?
  7. To jerk; to jolt; to be shaken. 1719, Richard Wiseman, Serjeant-Chirurgeon to King Charles II, Eight Chirurgical Treatises, London: B. Tooke et al., 5th edition, Volume 2, Book 5, Chapter 4, p. 78, A Lady was wounded down the whole Length of the Forehead to the Nose […] It happened to her travelling in a Hackney-Coach, upon the je
  8. To adjust the fuel to air ratio of a carburetor; to install or adjust a carburetor jet The cure is to jet the carburetor excessively rich so that the mixture will be correct at the top end, but this richens the curve throughout the RPM range.
  9. intransitive, slang To leave; depart. Gotta jet. See you tomorrow.

adjective

  1. not comparable Propelled by turbine engines. jet airplane

jet²

  • /ˈd͡ʒɛt/

Rhymes with -ɛt

Where it comes from

From Middle English get, geet, gete, from a northern form of Old French jayet, jaiet, gaiet, from Latin gagātēs, from Ancient Greek Γαγάτης (Gagátēs), from Γάγας (Gágas, “a town and river in Lycia”). Doublet of gagate.

noun jets · jeat · jess

  1. countable, uncountable A hard, black form of coal, sometimes used in jewellery. There is also a factitious jeat made of glaſs, in imitation of the mineral jeat.
  2. countable, uncountable The colour of jet coal, deep grey.

adjective jetter · more jet · jettest · most jet

  1. Very dark black in colour. All the direct blacks require working in strong baths to give anything like black shades; they all have, more or less, a bluish tone, which can be changed to a jetter shade by the addition of a yellow or green dye in small proportions, which has been done in one of the recipes given above.

    Similar: jet-black, jetty

jet³

  • /ˈd͡ʒɛt/

Rhymes with -ɛt

noun jets

  1. an operation that takes a differentiable function f and produces a polynomial, the Taylor polynomial (truncated Taylor series) of f, at each point of its domain.

Jet⁴

proper noun Jets

  1. uncountable A town in Oklahoma.
  2. countable A male given name.
  3. countable, rare A female given name.

JET⁵

proper noun

  1. abbreviation, acronym Acronym of Journal of Evolution and Technology

Thesaurus

Closest in meaning: jet plane, fountain, pitchy, jet-black, gush, colorless, achromatic, sooty, spurt, squirt, spirt, coal-black, jet-propelled plane, aircraft, helicopter, aeroplane

Translations

Every language

noun stream of fluid

Españolchorro, chorreón, chorretada, chorretón, manguerazo
日本語噴射 funsha, 射出 shashutsu
हिन्दीप्रवाह pravāh
Portuguêsjato
Françaisjet
DeutschStrahl
Italianogetto
Românăjet
Русскийструя́ strujá
עבריתסִילוֹן silón

noun engine

Españolturborreactor
한국어제트 엔진 jeteu enjin
日本語ジェットエンジン jettoenjin
中文喷气发动机 pēn qì fā dòng jī
Kiswahilimtambo
Românămotor cu reacție
Русскийреакти́вный дви́гатель reaktívnyj dvígatelʹ
Tiếng Việtđộng cơ phản lực
العربيةمُحَرِّك نَفَّاث muḥarrik naffāṯ
עבריתמנוע סילון mnv sylvn

noun spout or nozzle

Portuguêsbocal
Françaisgicleur
Românăduză, ajutaj
Русскийжиклёр žikljór, па́трубок pátrubok, форсу́нка forsúnka

noun carburetor part

Françaisgicleur
Românăjiclor
Русскийжиклёр žikljór

verb to spray with liquid, to gush, to spurt

Españolchorrear
한국어쏟아지다 ssodajida, 쏟다 ssotda
日本語噴出 funshutsu suru
中文噴出 /喷出 pēnchū, 噴 /喷
Portuguêsjorrar
Françaisjaillir
Deutschspritzen
Italianozampillare
Ελληνικάαναβλύζω anavlýzo
Românățâşni
Русскийбры́згать brýzgatʹ, выбра́сывать vybrásyvatʹ, вы́бросить výbrositʹ
العربيةدفق
עבריתקָלַח qalákh

verb to travel on a jet aircraft or otherwise by jet propulsion

Deutschjetten

adj propelled by turbine engines

Española chorro, a propulsión, a reacción
Kiswahilirafadha
Françaisà réaction
Italianoa reazione
Ελληνικάαεριωθούμενος aeriothoúmenos
Românăcu reacție
Русскийреакти́вный reaktívnyj

noun coal

Españolazabache
日本語黒玉 kurotama, 貝褐炭 baikatsutan
Portuguêsazeviche
Françaisjais
DeutschGagat, Jett
Italianogiaietto
Românăjais, gagat
Русскийгага́т gagát

noun colour

Españolazabache
日本語漆黒 shikkoku
Françaisjais, noir de jais

adj colour

Españolazabache

noun math operation

Españoljet
한국어제트 jeteu
日本語ジェット
Françaisjet
Русскийструя struja, джет džet

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MLA

"jet." Wiktionary, via Micwyn, micwyn.com/word/jet. Accessed 6 Nov. 2026.

APA

jet. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/jet

Chicago

"jet." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/jet.

BibTeX
@misc{jet_2026,
  title = {jet},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/jet},
  urldate = {2026-11-06}
}