Ice-age definitions

A cold period marked by extensive glaciation.
noun
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The most recent glacial period, which occurred during the Pleistocene Epoch.
noun
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Any of several cold periods during which glaciers covered much of the Earth.
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Ice Age. The most recent glacial period, which occurred during the Pleistocene Epoch and ended about 10,000 years ago. During the Pleistocene Ice Age, great sheets of ice up to two miles thick covered most of Greenland, Canada, and the northern United States as well as northern Europe and Russia.
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A time of extensive glaciation covering vast areas of the earth, esp., any of several such times during the Pleistocene Epoch.
noun
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Any of several cold periods in the history of the earth marked by episodes of extensive glaciation alternating with episodes of relative warmth.
noun
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