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 contract modification ensures that the production of the jet engines will remain at the company’s Connecticut locations, according to Larson. Stephen Underwood, Hartford Courant, 26 Apr. 2026 On-site energy storage Locating power-generating capacity on-site, even using modified jet engines to drive steam turbines, is one emerging option to address data centers’ high power needs. Gregor Henze, The Conversation, 21 Apr. 2026 The design of the 1959 Cyclone — the jet engine-like body style — reflected its out-of-this-world technology like a radar-sensing crash avoidance system and a Plexiglas bubble-top that automatically closed when its sensor detected rain. Jackie Charniga, USA Today, 15 Apr. 2026 For instance, in the future, there could be a prosthetic limb that feels and reacts to pressure without a battery pack, or a sensor inside a jet engine that tracks wear and tear using nothing but the engine’s vibration. Mrigakshi Dixit, Interesting Engineering, 14 Apr. 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 1 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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