glacial epoch

Noun
  1. Any period of time during which glaciers covered a large part of the earth's surface (synset 115280006)
    "the most recent ice age was during the Pleistocene"
    is a type of: geological period, period - a unit of geological time during which a system of rocks formed
    is a part of: prehistoric culture, prehistory - the time during the development of human culture before the appearance of the written word
    same as: glacial period, ice age
  2. From two million to 11 thousand years ago;
    Extensive glaciation of the northern hemisphere;
    The time of human evolution (synset 115149816)
    is an instance of: epoch - a unit of geological time that is a subdivision of a period and is itself divided into ages
    is a part of: age of man, quaternary, quaternary period - last 2 million years
    same as: pleistocene, pleistocene epoch

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