Pleistocene

/ˈplaɪstəˌsiːn/

Pleistocene

English Adj

Definition

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.

Etymology

From Ancient Greek πλεῖστος (pleîstos, “most”) and καινός (kainós, “new”), meaning “newest”, coined by Charles Lyell in 1839. By surface analysis, containing the suffix -cene.