Paleozoic Hear it!

Paleozoic definition

Paleo·zoic (pā′lē ə zō′ik)

adjective

designating or of the first geologic era of the Phanerozoic Eon, characterized by the development of the first fishes, amphibians, reptiles, and land plants

Etymology: paleo- + zo- + -ic

Paleozoic Idioms

the Paleozoic

the Paleozoic 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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