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Thesaurus: 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.

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  1. 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.
  2. adj. before the appearance of life
  3. 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 Archæan, and Eozoic.
  4. Destitute of any vestige of organic life, or at least of animallife; anterior to the existence of animal life; formed when there wasno animal life on the globe; as, the azoic. rocks. Azoic age (Geol.),the age preceding the existence of animal life, or anterior to thepaleozoic tome. Azoic is also used as a noun, age being understood.See Archæan, and Eozoic.
  5. s. before the appearance of life