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
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Washington has since lifted export restrictions on ethane, chip-design software and jet engine parts, while Beijing is set to fast-track approvals for rare earths exports. Anniek Bao, CNBC, 4 July 2025 In return, the US offered to ease some export restrictions on ethane, chip-design software and jet engine components. Jessica Mathews, Fortune, 3 July 2025 The British were busy inventing antibiotics, the steam engine, the jet engine, the radio and television, the light bulb, and the internet. Tom Shattuck, The Orlando Sentinel, 30 June 2025 With jet engines attached, the robot weighs around 154 pounds. Leslie Katz, Forbes.com, 23 June 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

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Cite this Entry

“Jet engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jet%20engine. Accessed 29 Jul. 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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