HyperDic: ion_engine

English > 1 sense of the expression *ion engine*:
NOUN	artifact	ion engine	a type of reaction-propulsion engine to propel rockets in space

English > *ion engine*: 1 sense > noun 1, artifact
Meaning	A type of reaction-propulsion engine to propel rockets in space; a stream of positive ions is accelerated to a high velocity by an electric field.
Broader	reaction-propulsion engine, reaction engine	A jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream
Spanish	motor de iones