Ionic-propulsion
noun
1.
.
noun
1.
Rocketry. a projected type of propulsion for vehicles in outer space, the exhaust consisting of positive ions and negative electrons repelled from the vehicle by electrostatic forces, resulting in a very high exhaust velocity.
ionic propulsion
Propulsion by the reactive thrust of a high-speed beam of similarly charged ions ejected by an ion engine. See also solar-electric propulsion.
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