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
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The team tried out different voltage levels on the thrusters and examined the spray's ability to maneuver and spin the cubesat. Elizabeth Howell, Space.com, 9 June 2026 The researchers placed the micro satellite on a magnetic levitation platform – essentially a MagLev track that mimics the weightlessness of space – and fired the thrusters remotely at varying voltage levels, watching the satellite spin like a slow-motion top. Omar Kardoudi june 05, New Atlas, 5 June 2026 The capsules include cold-gas attitude control thrusters for propulsion. Chris Young, Interesting Engineering, 1 June 2026 The mission will test landing systems and study how spacecraft thrusters interact with the moon’s dusty surface — a major engineering challenge for future Artemis missions. Jamie Carter, Forbes.com, 26 May 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

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Cite this Entry

“Thruster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thruster. Accessed 15 Jun. 2026.

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

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