thrust·​er | \ ˈthrə-stər \
variants: or less commonly thrustor

Definition of thruster

: 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

But first, a Phase Four thruster has to make it into space. David Grossman, Popular Mechanics, "Plasma Thrusters Are About To Have Their Moment," 30 Aug. 2018 That’s when the spacecraft thrusters rapidly push it away from the rocket at the point of maximum aerodynamic pressure. Eric Berger, Ars Technica, "Here’s what SpaceX must do to win the commercial crew race," 8 Aug. 2018 Engineers had to add thrusters to ensure that the lander would touch down gently. Loren Grush, The Verge, "NASA’s InSight lander has just six and a half minutes to land on Mars in one piece," 21 Nov. 2018 Early in the mission the spacecraft’s reaction wheels broke, which meant the only way Dawn could maneuver was by using its thrusters and propellant. Avery Thompson, Popular Mechanics, "NASA's Asteroid Belt Spacecraft Dawn Is About To Run Out of Fuel," 11 Sep. 2018 Spacecraft make course changes called Trajectory Correction Maneuvers (TCMs), which are usually done with thruster bursts that are timed to the second. Joe Pappalardo, Popular Mechanics, "How a Small CubeSat Became the Unlikely Hero of the InSight Landing," 29 Nov. 2018 Guided by radar, InSight will use the thrusters to slow down to a soft landing. Brian Resnick, Vox, "NASA is landing on Mars for the first time since 2012. You can watch!," 23 Nov. 2018 But ion thrusters alone can’t totally do the trick. Loren Grush, The Verge, "Two spacecraft are embarking on a seven-year journey to decode Mercury’s mysteries," 19 Oct. 2018 Measurements showed the thrusters collectively generated five newtons for each kilowatt of power, which is actually similar to the output of jet engines. John Timmer, Ars Technica, "Ion drive meets drone, as small plane flies with no moving parts," 21 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thruster.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of thruster

1597, in the meaning defined above

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Last Updated

18 Feb 2019

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Time Traveler for thruster

The first known use of thruster was in 1597

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Rhyming Dictionary: Words that rhyme with thruster

Nglish: Translation of thruster for Spanish Speakers

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esteemed in general opinion

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