/ Dictionary / Index G gas thermometer: Meaning and Definition of Find definitions for: gas' thermom"eter Pronunciation: [key] a device for measuring temperature by observing the change in either pressure or volume of an enclosed gas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gasthaus gastight Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language