Noun
any period of time during which glaciers covered a large part of the earth's surface
Source: WordNetthe most recent ice age was during the Pleistocene Source: Internet
A year later, Agassiz raised the hypothesis of a great glacial period that would have had long-reaching general effects. Source: Internet
During the last glacial period the sea-level has fluctuated 20–30 m as water was sequestered, primarily in the Northern Hemisphere ice sheets. Source: Internet
During a glacial period cold-adapted organisms spread into lower latitudes, and organisms that prefer warmer conditions become extinct or are squeezed into lower latitudes. Source: Internet
DNA analysis indicated that each lake was colonized independently, presumably by a marine ancestor, after the last glacial period. Source: Internet
Due to the favorable climate of the location, people lived there about 50,000 years ago during the last glacial period, as burial sites show from this era. Source: Internet