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
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Through sporadic radio contact, engineers discovered a problem with some of the spacecraft’s cold gas thrusters used for finer attitude control. Stephen Clark, ArsTechnica, 1 Aug. 2026 Katalyst is now trying to stabilize LINK’s spin using the spacecraft’s xenon-gas thrusters. Lee Billings, Scientific American, 29 July 2026 Unlike rocky asteroids, comets can subtly change course as gas escaping from their surfaces acts like tiny thrusters. Samantha Mathewson, Space.com, 22 July 2026 Vripack spearheaded exterior and interior design, Dykstra Naval Architects executed the hull, sailplan, and thruster design, and Vitters Shipyard led the build. Rachel Cormack, Robb Report, 13 July 2026 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 4 Aug. 2026.

Kids Definition

: one that thrusts
especially : an engine that produces thrust by discharging a jet of fluid or a stream of particles

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