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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The use of jet engines in such devices is not entirely new. Vikram Mittal, Forbes.com, 29 Apr. 2025 China dominates the refining of these metals, which are key to technologies ranging from artificial intelligence chips to jet engines and the development of next-generation weapons platforms, including sixth-generation fighter jets. Thomas G. Moukawsher, MSNBC Newsweek, 24 Apr. 2025 Together, the three giants cover everything from missile systems to fighter jet engines to battlefield surveillance, making their earnings a bellwether for how rising global tensions and Pentagon budgets are filtering into the sector. Catherine Baab, Quartz, 22 Apr. 2025 Image The metals also go into the chemicals for manufacturing jet engines, lasers, car headlights and certain spark plugs. Keith Bradsher, New York Times, 13 Apr. 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 7 May. 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

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