| azoic | 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. <geology> Azoic age, 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 Archaean, and Eozoic. Origin: Gr. Priv. + life, from to live. Source: Websters Dictionary (01 Mar 1998) |
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| azoic |
before the appearance of life; "azoic rocks contain not organic remains"
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| azoic | (geology) before the appearance of life |
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