azoic

[uh-zoh-ik, ey-]

a·zo·ic

1[uh-zoh-ik, ey-]
adjective Geology.
(formerly) noting or pertaining to the Precambrian Era, especially that part formerly believed to precede the first appearance of life; Archean.
Compare Eozoic.


Origin:
1840–50; < Greek ázō(os) lifeless (see azo-) + -ic

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Azoic is always a great word to know.
So is percolation. Does it mean:
seepage of water into soil or rock
slow movement of water through the pores in soil or permeable rock
Dictionary.com Unabridged

a·zo·ic

2[a-zoh-ik]
adjective
of, pertaining to, or characteristic of the azo group.

Origin:
azo- + -ic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Collins
World English Dictionary
azoic (əˈzəʊɪk, eɪ-)
 
adj
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 10th Edition
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American Heritage
Medical Dictionary

azoic a·zo·ic (ā-zō'ĭk)
adj.
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.
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