Quaternary period

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noun

last 2 million years
• Syn:
Quaternary, Age of Man
• Instance Hypernyms:
period, geological period
• Part Holonyms:
Cenozoic, Cenozoic era, Age of Mammals
• Part Meronyms:
Holocene, Holocene epoch, Recent, Recent epoch, Pleistocene,
Pleistocene epoch, Glacial epoch