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Dictionary

Pleis•to•cene

Pronunciation: (plī'stu-sēn"), [key] Geol.

—adj.
noting or pertaining to the epoch forming the earlier half of the Quaternary Period, beginning about two million years ago and ending 10,000 years ago, characterized by widespread glacial ice and the advent of modern humans. See table under geologic time.

—n.
the Pleistocene Epoch or Series.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

pleiotropy

Plekhanov

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