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Definition of Ion engine
1. Noun. 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.
Definition of Ion engine
1. Noun. (space science) a type of spacecraft propulsion, whereby electric fields accelerate ions out the exhaust to provide motive force ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Ion Engine
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