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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This thruster uses this power to ionize a propellant (such as xenon), which is then funneled through nozzles to provide consistent thrust.—Matthew S Williams, Interesting Engineering, 10 Jan. 2026 Then the Orion capsule will fire up its main thruster and shoot off towards the Moon on its 240,000-mile, four-day journey.—The Week, TheWeek, 7 Jan. 2026 That week-plus stretched into nine months due to thruster problems aboard Starliner that NASA concluded made the ship unsafe for crews.—Jeffrey Kluger, Time, 2 Jan. 2026 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 See All Example Sentences for thruster
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