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English definition of “jet”

jet

noun uk   /dʒet/ us  

jet noun (AIRCRAFT)

B1 [C] an aircraft with a jet engine that is able to fly very fast: a jet plane a private jet We flew to New York by jet.
See also

jet noun (STREAM)

[C] a thin stream of something, such as water or gas, that is forced out of a small hole: She turned on the hose and a jet of water sprayed across the garden. [C] a small hole in a piece of equipment through which gas or another fuel is forced before it is burned: I think the gas jet must be blocked, because the oven won't light.

jet noun (STONE)

[U] a hard, black stone that shines when it is rubbed and is used to make jewellery and other decorative objects

jet

verb [I + adv/prep] uk   /dʒet/ (-tt-) informal us  
to travel somewhere by plane: I'm jetting off to New Zealand next week.
(Definition of jet from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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