/ Thesaurus / G Synonyms of gas thermometer Find synonyms for: Noun1. gas thermometer, air thermometer, thermometerusage: thermometer that measures temperature by changes in the pressure of a gas kept at constant volumeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language