/ Thesaurus / L Synonyms of liquid metal reactor Find synonyms for: Noun1. liquid metal reactor, nuclear reactor, reactorusage: a nuclear reactor using liquid metal as a coolantWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language