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.
As options dwindled, engineers revisited the primary roll thrusters to determine if they could be revived. Scott Neuman, NPR, 20 May 2025 The team concluded that the heaters were as good as dead and continued the mission with only the backup roll thrusters. Margherita Bassi, Smithsonian Magazine, 19 May 2025 Progress 91 engaged its thrusters at 6:10 p.m. EDT (2210 GMT), firing for a total of 3 minutes, 33 seconds, to provide an extra margin of safety between the space station and the oncoming rocket junk. Josh Dinner, Space.com, 1 May 2025 Starliner, though, suffered thruster failures and helium leaks in its propulsion system. Richard Tribou, Orlando Sentinel, 19 Mar. 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 25 May. 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

Last Updated: - Updated example sentences
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