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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
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 called rocket motor
rocket engine

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. Compare turbojet.


Read Also:

  • Rocket-gun

    noun 1. any weapon that uses a rocket as a projectile, as a rocket launcher or bazooka.

  • Rocket-launcher

    noun, Military. 1. a tube attached to a weapon for the launching of rockets. 2. a vehicle equipped with many such tubes for the simultaneous firing of rockets.

  • Rocket-propelled

    [rok-it-pruh-peld] /ˈrɒk ɪt prəˌpɛld/ adjective 1. using rocket power as the chief motive force.

  • Rocket-propulsion

    noun 1. propulsion of an object by thrust developed by a rocket.

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