Akademik

any period of time during which glaciers covered a large part of the earth's surface

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the most recent ice age was during the Pleistocene

1. : any of those parts of geologic time from Precambrian onward in both the northern and southern hemispheres during which a much larger portion of the earth was covered by glaciers than at present

2. usually capitalized G & often capitalized E : the Pleistocene epoch

1. Also called glacial period, ice age. the geologically recent Pleistocene Epoch, during which much of the Northern Hemisphere was covered by great ice sheets.

2. any one of the Permian, Carboniferous, Cambrian, or Precambrian glaciations.

[1840-50]

glacial epoch,

1. any one of the times when much of the earth was covered with glaciers; ice age.

2. the most recent time when much of the Northern Hemisphere was covered with glaciers; Pleistocene.