thruster

noun

thrust·​er ˈthrə-stər How to pronounce thruster (audio)
variants or less commonly thrustor
: one that thrusts
especially : an engine (such as a jet engine) that develops thrust by expelling a jet of fluid or a stream of particles

Examples of thruster in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These include lidar and laser communication, advanced ion thrusters for more efficient satellite manoeuvring, and microwave remote sensing for high-resolution Earth observation and weather monitoring. Bojan Stojkovski, Interesting Engineering, 8 Nov. 2025 Golden mussels clog the thruster and decorate the underside of his dinghies. Calmatters, Mercury News, 6 Nov. 2025 The project is coordinated by Osmos X, which is a French startup aiming to create space thrusters that will power the company's own uncrewed space vehicles as soon as 2030. Elizabeth Howell, Space.com, 26 Oct. 2025 This included the landing gear failed to deploy, along with reverse thrusters, which redirect engine thrust forward and are crucial for braking. Khaleda Rahman, MSNBC Newsweek, 16 Oct. 2025 See All Example Sentences for thruster

Word History

First Known Use

1597, in the meaning defined above

Time Traveler
The first known use of thruster was in 1597

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Cite this Entry

“Thruster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thruster. Accessed 12 Nov. 2025.

Kids Definition

thruster

noun
thrust·​er ˈthrəs-tər How to pronounce thruster (audio)
: one that thrusts
especially : an engine that produces thrust by discharging a jet of fluid or a stream of particles

More from Merriam-Webster on thruster

Last Updated: - Updated example sentences
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