- (formerly) noting or pertaining to the Precambrian Era, especially that part formerly believed to precede the first appearance of life; Archean.
Origin of azoic1
- of, relating to, or characteristic of the azo group.
Origin of azoic2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for azoic
They were transported, perhaps, from the Azoic area near Lake Superior.Buffalo Land
W. E. Webb
Thus the azoic group is crystalliferous, or crystal-bearing.The Religion of Geology and Its Connected Sciences
That land belongs to the Azoic period, and contains no trace of life.
In the European ocean of the Azoic epoch we find five islands of considerable size.
The oldest lands of North America were built up, as in Europe, of azoic rocks, and were grouped chiefly in the north.Fragments of Earth Lore
- without life; characteristic of the ages that have left no evidence of life in the form of organic remains
C19: from Greek azōos lifeless; see azo-
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for azoic
Online Etymology Dictionary, © 2010 Douglas Harper
- Containing no living things; lacking organic life.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.