adjective Etymology: Greek pleistos most + International Scientific Vocabulary -cene; akin to Greek pleiōn more Date: 1839 of, relating to, or being the earlier epoch of the Quaternary or the corresponding series of rocks, ~ noun
PLEISTOCENE
Meaning of PLEISTOCENE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012