jet propulsion

noun

: propulsion of a body produced by the forwardly directed forces of the reaction resulting from the rearward discharge of a jet of fluid
especially : propulsion of an airplane by jet engines

Examples of jet propulsion in a Sentence

Recent Examples on the Web
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My father was an active union member and worked as a jet propulsion mechanic at the San Francisco International Airport. Mercury News Editorial Board, Mercury News, 26 May 2026 In a radical move that blurs the line between traditional sailing and motorsport, SailGP last year quietly began testing an active water-jet propulsion system designed to artificially push the boats up onto their foils when nature refuses to cooperate. Andrew Rice, New York Times, 26 May 2026 The octopuses collected silt, algae and shells, held the material in their arms and web, then expelled it using jet propulsion from their siphon. Hanna Wickes, Kansas City Star, 17 Apr. 2026 Each involved an octopus gathering debris — silt, algae or shells — into its arms and web, then forcefully ejecting the material using jet propulsion from its siphon. Hanna Wickes, Fort Worth Star-Telegram, 17 Apr. 2026 See All Example Sentences for jet propulsion

Word History

First Known Use

1855, in the meaning defined above

Time Traveler
The first known use of jet propulsion was in 1855

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Cite this Entry

“Jet propulsion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jet%20propulsion. Accessed 4 Jun. 2026.

Kids Definition

jet propulsion

noun
: forward motion of a body produced by the forces resulting from the rearward discharge of a jet of fluid
especially : propulsion of an airplane by jet engines

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