Also found in: Thesaurus, Encyclopedia, Wikipedia.
An engine that develops thrust by the focused expulsion of matter, especially ignited fuel gases.
1. (Aeronautics) an engine, such as a jet or rocket engine, that ejects gas at high velocity and develops its thrust from the ensuing reaction
2. (Astronautics) an engine, such as a jet or rocket engine, that ejects gas at high velocity and develops its thrust from the ensuing reaction
Switch to new thesaurus
|Noun||1.||reaction engine - a jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream|
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
jet engine - a gas turbine produces a stream of hot gas that propels a jet plane by reaction propulsion