especially: an engine (such as a jet engine) that develops thrust by expelling a jet of fluid or a stream of particles
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The system consists of three 12-kilowatt Hall thrusters that are more than twice as powerful as current in-space electric ones.—Prabhat Ranjan Mishra, Interesting Engineering, 21 Dec. 2025 But Starliner suffered thruster problems and helium leaks on the way up, so NASA delayed the vehicle's return to study the issues.—Mike Wall, Space.com, 21 Dec. 2025 The spacecraft developed stubborn thruster problems and NASA's and Boeing's efforts to troubleshoot them ultimately failed, leaving Wilmore and Williams to wait—and wait and wait—until a Crew Dragon spacecraft with two open seats arrived as part of the station's regular crew rotation.—Jeffrey Kluger, Time, 18 Dec. 2025 Despite the chaos with the bow thruster last week, Sandy decides to back into her even smaller spot again.—Rafaela Bassili, Vulture, 16 Dec. 2025 See All Example Sentences for thruster
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