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Palaeozoic

adjective
  1. of, denoting, or relating to an era of geological time that began 600 million years ago with the Cambrian period and lasted about 375 million years until the end of the Permian period
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noun
  1. the Palaeozoic the Palaeozoic era
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Word Origin for Palaeozoic

C19: from palaeo- + Greek zōē life + -ic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for palaeozoic

Historical Examples of palaeozoic