adj. Destitute of any vestige of organic life, or at least of animal life; anterior to the existence of animal life; formed when there was no animal life on the globe; as, the azoic rocks.
the GNU version of the Collaborative International Dictionary of English
adj. Destitute of any vestige of organic life, or at least of animal life; anterior to the existence of animal life; formed when there was no animal life on the globe. rocks.
The Century Dictionary and Cyclopedia
Destitute of organic life: in geology, applied to rocks which are destitute of any fossil remains or other evidence of the existence of life at the period of their deposition.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. before the appearance of life
Word Usage
"Scientists long ago clung to the "azoic hypothesis" about the deep -- the presumption that nothing could possibly be alive so far from the photosynthetic world."