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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For example, in airfoil casting—to produce a critical jet engine component—Howmet manages every step from mold assembly to high-speed CNC machining to coatings. Stockstory Team, CNBC, 15 Jan. 2025 These materials are crucial for jet engines, drone batteries, and other military systems. Josh Hammer, Newsweek, 23 Dec. 2024 In a valved pulse jet engine, mechanical valves control the air intake. Vikram Mittal, Forbes, 13 Jan. 2025 The Defense Department had approved new contracts for Pratt & Whitney to remain the sole provider of the military jet engine following a decades-long push by Connecticut’s congressional delegation. Lisa Hagen, Hartford Courant, 13 Dec. 2024 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

Dictionary Entries Near jet engine

Cite this Entry

“Jet engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jet%20engine. Accessed 31 Jan. 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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