a. [f. Gr. ἄζω-ος (f. ἀ priv. + ζωή life) + -IC; cf. F. azootique.] Having no trace of life; in Geol., Containing no organic remains.
1854. Page, Text-bk. Geol., 39. Azoic Period.
1873. W. Thomson, Depths of Sea, iv. 192. The bottom of the Mediterranean at depths beyond a few hundred fathoms is nearly azoic.