Cenozoic Definition
sĕnə-zōĭk, sēnə-
adjective
Designating or of the third geologic era of the Phanerozoic Eon, formerly subdivided into the Tertiary and Quaternary periods and now subdivided into the Paleogene, Neogene, and Quaternary periods, characterized by the development of birds and mammals.
Webster's New World
noun
The Cenozoic Era.
American Heritage
Synonyms:
- Cenozoic era
- Age of Mammals
Idioms, Phrasal Verbs Related to Cenozoic
- the Cenozoic
Origin of Cenozoic
ceno- + -zoic; from Ancient Greek καινός (kainós, “new”) + ζωή (zōē, “life”)
From Wiktionary
-
Greek kainos new ken- in Indo-European roots –zoic
From American Heritage Dictionary of the English Language, 5th Edition
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