Paleogene Definition
pālē-ə-jēn
adjective
Designating or of the first geologic period of the Cenozoic Era, subdivided into the Paleocene, Eocene, and Oligocene epochs: formerly a subdivision of the Tertiary Period.
Webster's New World
noun
The oldest of two subdivisions of the Tertiary Period, from about 65 to about 23 million years ago, and including the Paleocene, Eocene, and Oligocene Epochs.
American Heritage
Idioms, Phrasal Verbs Related to Paleogene
- the Paleogene
Origin of Paleogene
German Paläogen paläo- paleo- -gen -gene
From American Heritage Dictionary of the English Language, 5th Edition
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