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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Because of helium leaks and thruster failures after launching from Cape Canaveral, NASA opted to send Starliner back to Earth without its two crew, who stayed on board the space station eventually flying home on a SpaceX Crew Dragon and having remained in space for 10 months.—Richard Tribou, The Orlando Sentinel, 2 May 2026 The spacecraft will use a 20-kWe reactor fueled by HALEU (High-Assay Low-Enriched Uranium) to power advanced electric thrusters.—Mrigakshi Dixit, Interesting Engineering, 23 Apr. 2026 Rocket Lab on Tuesday added a high-performance, Hall-effect satellite thruster to its growing catalog of space technologies and flight services, Aviation Week & Space Technology reports.—Stephen Clark, ArsTechnica, 17 Apr. 2026 The 1,430-pound (650 kilograms) ISSA-J1 spacecraft will use a suite of thrusters and imaging systems to conduct rendezvous and proximity operations, enabling detailed visual inspections of target satellites and helping determine the causes of their failures.—Andrew Jones, Space.com, 16 Apr. 2026 See All Example Sentences for thruster