Definition of reaction engine Reaction engine

re•ac•tion en•gine

We found 2 definitions of reaction engine from 2 different sources.

What does reaction engine mean?

Noun
reaction engine - a jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream
		reaction-propulsion engine
		engine motor that converts thermal energy to mechanical work
		ion engine 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

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reaction engine (Noun)
Any engine that generates thrust by expelling matter, especially hot gases produced by igniting a fuel; either a rocket engine or several types of jet engine .