of or pertaining to the Precambrian era (geological period preceding the first appearance of life on Earth)
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Azoic Definition from Language, Idioms & Slang Dictionaries & Glossaries
(a.)
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.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. AboutDestitute 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.
azoic
\a*zo"ic\ (&?;), a. [gr. 'a priv. + &?; life, from &?; to live.] 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.
azoic
age (geol.), the age preceding the existence of animal life, or anterior to the paleozoic tome. azoic is also used as a noun, age being understood. see arch?an, and eozoic.
similar words(1)
azoic age
Adjective
1. before the appearance of life; "azoic rocks contain not organic remains"
(similar) early
(classification) geology
Azoic Definition from Encyclopedia Dictionaries & Glossaries
Azoic Age, Azoic Era, Azoic Period and Azoic Eon were terms used before 1950 to describe the age of rocks formed before the appearance of life in the geologic sequence. The word "Azoic" is derived from the Greek a- meaning without and zoön meaning animal (or living being), it was first used to mean without life.
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