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.
The propeller is able to rotate 360 degrees for more precise maneuvering in tight waters, without so much as switching on a bow thruster. New Atlas, 29 Aug. 2025 For this mission, SpaceX installed two additional Draco thrusters into the spacecraft's trunk. Stephen Clark, ArsTechnica, 25 Aug. 2025 Their experiment uses the Thunderbird Reactor, a compact particle accelerator comprised of a plasma thruster, a vacuum chamber, and an electrochemical cell. Aman Tripathi, Interesting Engineering, 20 Aug. 2025 Next comes some fancy piloting, the detachment of the thrusters, and then the scavenger ship is effectively so much deadweight in space, at least for now. Keith Phipps, Vulture, 14 Aug. 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

Browse Nearby Words

Cite this Entry

“Thruster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thruster. Accessed 9 Sep. 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

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