/ Dictionary / Index A azoic: Meaning and Definition of Find definitions for: a•zo•ic Pronunciation: (u-zō'ik, ā-), [key] — adj. Geol. (formerly) noting or pertaining to the Precambrian Era, esp. that part formerly believed to precede the first appearance of life; Archean. Cf. Eozoic. a•zo•ic Pronunciation: (a-zō'ik), [key] — adj. of, pertaining to, or characteristic of the azo group. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: azoic (Thesaurus) azo group azoic dye 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