azoic 1
/euh zoh"ik, ay-/ , 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 .
[ 1840-50; ázo ( os ) lifeless (see AZO-) + -IC ]
azoic 2
/a zoh"ik/ , adj.
of, pertaining to, or characteristic of the azo group.
[ AZO- + -IC ]