without life; characteristic of the ages that have left no evidence of life in the form of organic remains
WordReference Random House Unabridged Dictionary of American English © 2025
a•zo•ic1
(ə zō′ik, ā-),USA pronunciation adj. [Geol.]
a•zo•ic2 (a zō′ik),USA pronunciation adj.
- Geology(formerly) noting or pertaining to the Precambrian Era, esp. that part formerly believed to precede the first appearance of life;
Archean. Cf. Eozoic.
- Greek ázō(os) lifeless (see azo-) + -ic
- 1840–50
a•zo•ic2 (a zō′ik),USA pronunciation adj.
- of, pertaining to, or characteristic of the azo group.
- azo- + -ic
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'azoic' also found in these entries (note: many are not synonyms or translations):