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jet engine

noun

: an engine that produces motion as a result of the rearward discharge of a jet of fluid
specifically : an airplane engine that uses atmospheric oxygen to burn fuel and produces a rearward discharge of heated air and exhaust gases see airplane illustration

Examples of jet engine in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Baseus Noise-cancelling Headphones These noise-cancelling headphones are a must-have for frequent travelers, delivering adaptive noise reduction that drowns out jet engine roar, crying babies, and chatty seatmates for peaceful flights or train rides. Gabriela Garcia, Travel + Leisure, 28 Nov. 2025 Mines flourish amid war Rare earths include 17 metallic elements that are critical in everyday products from cars to jet engines to electronics like smartphones and flat-screen TVs. Helen Regan, CNN Money, 26 Nov. 2025 Indeed, Anduril told CBS in a recent 60 Minutes segment that Fury uses a commercial business jet engine and easily available landing gear components, instead of bespoke equipment and military aircraft powertrains. Abhimanyu Ghoshal, New Atlas, 15 Nov. 2025 If a computer was a bicycle for the mind, AGI is like a jet engine. Eleanor Pringle, Fortune, 13 Nov. 2025 See All Example Sentences for jet engine

Word History

First Known Use

1933, in the meaning defined above

Time Traveler
The first known use of jet engine was in 1933

Browse Nearby Words

Cite this Entry

“Jet engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jet%20engine. Accessed 3 Dec. 2025.

Kids Definition

jet engine

noun
: an engine that produces motion as a result of the rearward discharge of a jet of fluid
especially : an aircraft engine that uses atmospheric oxygen to burn fuel and produces a rearward discharge of heated air and exhaust gases

More from Merriam-Webster on jet engine

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