/ Dictionary / Index D Drygas: Meaning and Definition of Find definitions for: Dry•gas Pronunciation: (drī'gas"), [key] — Chem., Trademark. Chem.,Trademark. a brand of gasoline-line antifreeze consisting of methyl alcohol, isopropyl alcohol, or a mixture of these. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dry gangrene dry goods Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language