Etymology
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Pleistocene (adj.)

a name given by geologists to the lower division of the Quaternary, now reckoned as from about 2.6 million years ago and essentially "pertaining to the glacial period," 1839, coined by Lyell from Greek pleistos "most" (superlative of polys "much;" see pleio-) + -cene "recent."

updated on July 15, 2020

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