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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Engineers have long noted the similarity between these structures and cones used in jet engines to manage airflow at high speed. Scott Travers, Forbes.com, 24 May 2026 Based in the United Kingdom, GKN Aerospace manufactures landing gears, jet engines and other materials for commercial and military aircraft. Hannah Fry, Los Angeles Times, 23 May 2026 The plane was accelerating for takeoff when the 41-year-old man was sucked into the jet engine. The Denver Post Editorial Board, Denver Post, 13 May 2026 The video, from 2013 in the Middle East, is probably nothing more than a hot jet engine producing a diffraction pattern in the camera, said Sean Kirkpatrick, a former director of the Pentagon’s All-domain Anomaly Resolution Office, which investigates UAP. Seung Min Kim, Fortune, 9 May 2026 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 26 May. 2026.

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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