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archaeozoic

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archaeozoic


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Archaeozoic  \Ar`ch[ae]*o*zo"ic\,  a.  [Gr.  'archai^os  ancient  + 
  zw^,on  animal.]  (Zo["o]l.) 
  Like  or  belonging  to  the  earliest  forms  of  animal  life. 
 
  From  WordNet  r  1.6  [wn]: 
 
  archaeozoic 
  adj  :  (geology)  formed  in  the  earlier  of  two  divisions  of  the 
  Precambrian  era;  "archeozoic  life  forms"  [syn:  {archeozoic}] 
  n  :  the  time  from  1.5  billion  to  5  billion  years  ago;  earth's 
  crust  formed;  unicellular  organisms  are  earliest  forms  of 
  life  [syn:  {Archeozoic},  {Archaeozoic},  {Archeozoic  era}, 
  {Archaeozoic  era}] 




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