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.
However, a helium leak developed that affected control of the capsule’s thrusters, used for docking and maneuvering. Jennifer Borresen, USA TODAY, 7 Mar. 2025 Shortly after landing on Sunday, Blue Ghost began beaming back images from the moon, including one of its thrusters illuminated by the glare of the sun. Joe Hernandez, NPR, 2 Mar. 2025 Pale Blue’s thruster uses water as a propellant, which potentially offers a cleaner and more sustainable fuel for small satellites. Alex Knapp, Forbes, 10 Jan. 2025 Chasing Innovation Like its predecessor, the Dory Explore sports a total of five thrusters (three vertical, two horizontal), an automatic depth-holding function, and the ability to proceed forward with the nose/camera locked at a maximum tilt angle of plus or minus 45 degrees. Ben Coxworth, New Atlas, 30 Dec. 2024 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 13 Mar. 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

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