jet engine

American  

noun

1. an engine, as an aircraft engine, that produces forward motion by the rearward exhaust of a jet of fluid or heated air and gases.

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jet engine British  

noun

1. a gas turbine, esp one fitted to an aircraft

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jet engine Scientific  

1. An engine, generally a gas turbine, that develops thrust from a jet of hot gases produced by burning fuel in a combustion chamber.

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Etymology

Origin of jet engine

First recorded in 1940–45

Example Sentences

For one, if even more jet engine parts get diverted to produce power turbines, that could worsen the shortage in the jet-engine market, which is already very tight.

From The Wall Street Journal • Feb. 17, 2026

The jet engine maker reports External link fourth-quarter results Thursday morning.

From Barron's • Jan. 21, 2026

If a data center wants to roar like a jet engine all night, that’s the deal.

From Salon • Dec. 28, 2025

A wall of flames over 300 feet tall by Smith’s estimate crested the ridge, roaring with the sound of a jet engine and blasting the resort with superheated wind and debris.

From Los Angeles Times • Oct. 20, 2024

Neither one of them heard the discordant sound of a jet engine coming near until it roared right above their heads.

From "Nine, Ten: A September 11 Story" by Nora Raleigh Baskin