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Meaning of Eozoic

E•o•zo•ic

Pronunciation: (ē"u-zō'ik), [key]
— adj. Geol.
  1. (formerly) noting or pertaining to the Precambrian Era, esp. the period including the beginnings of animal life.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.