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 The spacecraft docked at the space station on Thursday, after an issue with its thrusters. Will Sullivan, Smithsonian Magazine, 6 June 2024 On May 6, engineers discovered a malfunctioning valve in the Atlas V’s Centaur upper stage that required replacement, while a small helium leak in one of Starlink’s service module reaction-control thrusters was later detected on May 17. Andrew Paul, Popular Science, 5 June 2024 The spacecraft managed to reach the I.S.S. during its second test flight in 2022, despite the failure of some thrusters to work as planned. Geoff Brumfiel, NPR, 1 June 2024 The leak eventually was traced to a flange where propellant lines feeding a specific reaction control system thruster in the port doghouse come together. William Harwood, CBS News, 24 May 2024 See all Example Sentences for thruster 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'thruster.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1597, in the meaning defined above

Time Traveler
The first known use of thruster was in 1597

Dictionary Entries Near thruster

Cite this Entry

“Thruster.” Dictionary, Merriam-Webster, Accessed 19 Jun. 2024.

Kids Definition


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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