Paleozoic

3 definitions found

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

  Paleozoic \Pa`le*o*zo"ic\ (p[=a]`l[-e]*[-o]*z[=o]"[i^]k), n.
     (Geol.)
     The Paleozoic time or strata.
     [1913 Webster]

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



  Paleozoic \Pa`le*o*zo"ic\ (p[=a]`l[-e]*[-o]*z[=o]"[i^]k), a.
     [Paleo- + Gr. zwh` life, fr. zh^n to live.] (Geol.)
     Of or pertaining to, or designating, the older division of
     geological time during which life is known to have existed,
     including the Silurian, Devonian, and Carboniferous ages, and
     also to the life or rocks of those ages. See Chart of
     {Geology}.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  Paleozoic
       n : from 544 million to about 230 million years ago [syn: {Paleozoic
           era}]