Pleistocene 1
noundomain: time
Princeton WordNet [ver.3.1]
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EnglishDefinition
from two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution
Instance_Hypernym
epoch 3
noun
a unit of geological time that is a subdivision of a period and is itself divided into ages
Part_meronym
Quaternary 1
noun
last 2 million years
EnglishPart_holonym
Quaternary 1
noun
last 2 million years
