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.
After separating from the rocket, a SpaceX Dragon capsule carrying the four private astronauts has been using its own thrusters to zoom from pole to pole. Eric Lagatta, USA Today, 2 Apr. 2025 When the Starliner was trying to dock on ISS, five of the 28 thrusters went down. Lauren Irwin, The Hill, 19 Mar. 2025 The biggest issue is solving the thruster problems and helium leaks. Richard Tribou, Orlando Sentinel, 19 Mar. 2025 Starliner's return date delayed NASA began to push back the date for Starliner's return to Earth to troubleshoot the thruster problem, marking June 26 as a touchdown target. Julian Dossett, Space.com, 18 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 14 Apr. 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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