jet propulsion

propulsion in one direction by a jet of air or gas in the opposite direction

A jet engine is an engine that discharges a fast moving jet of fluid to generate thrust in accordance with Newton's third law of motion. This broad definition of jet engines includes turbojets, turbofans, rockets, ramjets, pulse jets and pump-jets, but in common usage, the term generally refers to a gas turbine Brayton cycle engine, an engine with a rotary compressor powered by a turbine, with the leftover power providing thrust. Jet engines are so familiar to the modern world that gas turbines are sometimes mistakenly referred to as a particular application of a jet engine, rather than the other way around. Most jet engines are internal combustion engines but non combusting forms exist also.
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Noun
1. propulsion by means of the discharge of a jet of fluid toward the rear
(hypernym) reaction propulsion

Synonyms and related words:
action and reaction, aeromotor, charge, diesel propulsion, exhaust, fuel, gas propulsion, gasoline propulsion, jet power, liquid oxygen, plasma-jet propulsion, power plant, propellant, propulsion charge, ram-jet propulsion, reaction, reaction propulsion, resojet propulsion, rocket power, rocket propulsion, steam propulsion, thrust, turbojet propulsion, wind propulsion
  

jet propulsion /'dʤetprə'pʌlʃn/
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