/ Dictionary / Index A azo dye: Meaning and Definition of Find definitions for: az'o dye" Pronunciation: [key] — Chem. Chem. any of a large class of dyes containing one or more azo groups. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. azobenzene Azof Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language