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-zoic

adj combining form, n combining form
  1. indicating a geological eraPalaeozoic
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Word Origin

from 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

-zoic in Medicine

-zoic

suff.
  1. Relating to a specified manner of animal existence:holozoic.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.