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paleozoic |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Paleozoic \Pa`le*o*zo"ic\, a. [Paleo- + Gr ? life, fr ? 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}. From WordNet r 1.6 [wn]: Paleozoic n : from 230 million to 600 million years ago [syn: {Paleozoic}, {Paleozoic era}]
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