Azoic

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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.
     [1913 Webster]


  
     {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[ae]an}, and {Eozoic}.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  azoic
       adj : before the appearance of life; "azoic rocks contain not
             organic remains"