/ Dictionary / Index G gas furnace: Meaning and Definition of Find definitions for: gas' fur'nace Pronunciation: [key] a furnace using gas as a fuel. a furnace for distilling gas from a solid fuel, as coal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gas fitting gas gangrene Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language