Cenozoic Hear it!

Cenozoic definition

Ce·no·zoic (sē′nə zō′ik, sen′ə-)

adjective

designating or of the third geologic era of the Phanerozoic Eon, usually subdivided into the Tertiary and Quaternary periods and characterized by the development of birds and mammals

Etymology: ceno- (< Gr kainos: see -cene) + -zoic

Cenozoic Idioms

the Cenozoic

the Cenozoic Era or its rocks

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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