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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Over two to three months, the spacecraft will use its thrusters to raise Swift into a more stable orbit. Matthew Glasser, ABC News, 23 June 2026 Technicians will also load Roman with about 290 gallons (1,100 liters) of hypergolic hydrazine fuel, which will power the satellite's thrusters for delivery to its final orbit and small positional adjustments during the ten or more years the propellant is expected to last. Josh Dinner, Space.com, 22 June 2026 There's no propulsion system, though there are attitude control thrusters using compressed nitrogen gas and a parachute system for reentry. David Szondy june 22, New Atlas, 22 June 2026 At that time, engineers were racing to piece together the Link satellite from a mix of structural components, fuel tanks, solar arrays, thrusters, and robotic arms designed to grab onto Swift more than 200 miles above the planet. Stephen Clark, ArsTechnica, 19 June 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 3 Jul. 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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