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Meaning of Phanerozoic

Phan•er•o•zo•ic

Pronunciation: (fan"ur-u-zō'ik), [key]
— Geol. Geol.
—n.
  1. the eon comprising the Paleozoic, Mesozoic, and Cenozoic eras.
—adj.
  1. of or pertaining to this eon.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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