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 new propulsion solution is supported by Kongsberg Maritime’s global service organisation, leveraging extensive experience from the company’s existing large scale thruster portfolio to ensure reliable lifecycle support worldwide. Prabhat Ranjan Mishra, Interesting Engineering, 7 Sep. 2026 The mission was made even more complicated in April 2024, when a solar panel issue reduced the available power for MTM's electric thrusters. Josh Dinner, Space.com, 3 Sep. 2026 Overheating electronics contributed to the failure of two of the craft's three reaction wheels, compounded by an unrelated malfunction in its thruster system. David Szondy august 20, New Atlas, 21 Aug. 2026 Meanwhile the hopper will fire a rocket thruster to jump up to 15 kilometers (nine miles) across the surface at a time, targeting touchdowns in surrounding, permanently shadowed craters. Jonathan O'Callaghan, Scientific American, 20 Aug. 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 8 Sep. 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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