Adjacent Words

glacial epoch definitions

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WordNet (r) 3.0 (2005)

n
1: any period of time during which glaciers covered a large part of the earth's surface; "the most recent ice age was during the Pleistocene" [syn: ice age, glacial period, glacial epoch]
2: from two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution [syn: Pleistocene, Pleistocene epoch, Glacial epoch]