glacial epoch

Noun

• from two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution

• 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
    

Related words

• Synonyms: 
  Pleistocene , Pleistocene epoch , Glacial epoch , ice age , glacial period