reaction engine

reaction engine

n.

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

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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

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