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English definition of “Pleistocene”

Pleistocene

adjective uk   /ˈplaɪ.stə.siːn/ us    /-stoʊ-/ specialized
from or referring to the period of time between around 1.8 million and 10,000 years ago, in which modern humans first appeared and the Northern Hemisphere experienced an ice age: the Pleistocene epoch These are thought to be Pleistocene rocks.
the Pleistocene
noun [S] uk   us  
the Pleistocene epoch (= part of a period of time in the earth's history)
(Definition of Pleistocene from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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