noun
last 2 million years
• Syn: ↑Quaternary, ↑Quaternary period
• 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
* * *
Usage: usually capitalized A&M
Useful english dictionary. 2012.