Dictionary
Ne•o•gene
Pronunciation: (nē'u-jēn"), [key] Geol.
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adj.
noting or pertaining to an interval of time corresponding to the Miocene and Pliocene epochs and accorded the status of a period when the Tertiary is considered an era. Cf.
Paleogene.
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n.
the Neogene Period or System.
Also,Neocene.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.