/ Dictionary / Index D denatured alcohol: Meaning and Definition of Find definitions for: dena'tured al'cohol Pronunciation: [key] — Chem. Chem. alcohol, esp. ethyl alcohol, that has been denatured: used chiefly as a solvent and in chemical synthesis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. denature denaturize Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language