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View synonyms for rocket engine

rocket engine

noun

  1. a reaction engine that produces a thrust due to an exhaust consisting entirely of material, as oxidizer, fuel, and inert matter, that has been carried with the engine in the vehicle it propels, none of the propellant being derived from the medium through which the vehicle moves.


rocket engine

noun

  1. a reaction engine in which a fuel and oxidizer are burnt in a combustion chamber, the products of combustion expanding through a nozzle and producing thrust Also calledrocket motor
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


rocket engine

  1. An engine used to produce a jet of hot gases to propel a rocket. The jet is produced by combustion of a fuel with other chemicals stored in the rocket. Since they do not rely on the oxygen in the atmosphere for combustion, rocket engines can operate in space.
  2. Compare turbojet


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Word History and Origins

Origin of rocket engine1

First recorded in 1930–35
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Example Sentences

Lastly, one of Blue Origin’s biggest strengths has been its rocket engines, particularly the BE-4.

Anyone who has lived with large rocket engines understands that their awesome power is produced by machinery churning away at very high temperatures, pressures and velocities.

In December, the company aborted a test flight after its onboard computer that monitors the rocket engines lost connection.

The actual rocket engines don’t make a safe landing—they burn up and crash into the sea.

Image from a mid-October test firing of the E-2 rocket engine injector.

Both a rocket engine with a temperamental record and an airframe of revolutionary design and construction had to be proved safe.

After tests this January, it was decided to the fuel powering the rocket engine should have its rubber removed.

The RD-171, which would become the RD-180, was a more advanced liquid fuel rocket engine than anything we had.

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