英和和英

語源

From Ancient Greek πλεῖστος (pleîstos, “most”) and καινός (kainós, “new”), meaning “newest”, coined by Charles Lyell in 1839.^[1]

発音

• IPA^(key): /ˈplaɪstəˌsiːn/, /-toʊ-/

形容詞

Pleistocene (not comparable)

1. (geology) Of a geologic epoch within the Quaternary period from about 2,588,000 to 11,700 years ago (earlier definition 1.7 million to 11,000 years ago); marked by the evolution of man, and the extinction of the large mammals.

固有名詞

Pleistocene

1. (geology) The Pleistocene epoch.
   • 2017, Anthony J. McMichael, Alistair Woodward, Cameron Muir, Climate Change and the Health of Nations, →ISBN, page 89:

     Throughout the Pleistocene, climatic changes exerted another type of selective pressure on human biological evolution, contributing to the rapid emergence of various Homo species over time.

参考

• Appendix:Geologic timescale

Further reading

• Pleistocene on Wikipedia.
• “Pleistocene”, in OED Online ⁠, Oxford, Oxfordshire: Oxford University Press, launched 2000.

参照