Definition of "jet" in 英语

noun

1. A collimated stream, spurt or flow of liquid or gas from a pressurized container, an engine, etc.

2. A spout or nozzle for creating a jet of fluid.

3. (aviation) A type of airplane using jet engines rather than propellers.

4. An engine that propels a vehicle using a stream of fluid as propulsion.

5. A part of a carburetor that controls the amount of fuel mixed with the air.

6. (physics) A narrow cone of hadrons and other particles produced by the hadronization of a quark or gluon.

7. (dated) Drift; scope; range, as of an argument.

8. (printing, dated) The sprue of a type, which is broken from it when the type is cold.

verb

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.

6. To strut; to walk with a lofty or haughty gait; to be insolent; to obtrude.

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 jetting whereof she was thrown out of the hinder Seat against a Bar of Iron in the forepart of the Coach.

8. To adjust the fuel to air ratio of a carburetor; to install or adjust a carburetor jet

9. (slang, intransitive) To leave; depart.

   • Gotta jet. See you tomorrow.

adjective

1. Propelled by turbine engines.

   • jet airplane

noun

1. (mineralogy) A hard, black form of coal, sometimes used in jewellery.

2. The colour of jet coal, deep grey.

adjective

1. Very dark black in colour.

noun

1. (mathematics) 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.