ION ENGINE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

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

Classified under:

Nouns denoting man-made objects

Hypernyms ("ion engine" is a kind of...):

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)

Credits