Thesaurus / reaction engine
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLE SENTENCES FROM THE WEB

This also was the invention of Hero, and was a reaction engine, on the principle of the eolipile.
Out of the port they could see the red flare of a reaction engine; the next ship in their sector, speeding forward.
THE HOUR OF BATTLEROBERT SHECKLEY

WORDS RELATED TO REACTION ENGINE

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.