reaction engine

reaction engine

n.

An engine that develops thrust by the focused expulsion of matter, especially ignited fuel gases.

reaction engine

or

reaction motor

n

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

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 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 jet engine - a gas turbine produces a stream of hot gas that propels a jet plane by reaction propulsion