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plasma rocket[′plaz·mə ‚räk·ət]
A rocket that is accelerated by means of a plasma engine.
An engine whose working fluid is plasma. Plasma is electrically charged gas made up of atoms stripped of electrons. The ions are accelerated and directed by external electric fields to produce thrust. Unlike in most rocket engines, the amount of thrust can be controlled. Such an engine has application in space travel. Also called plasma rocket.