adj. & n. Geol. --adj. of or relating to the second epoch of the Tertiary period with evidence of an abundance of mammals including horses, bats, and whales. °Cf. Appendix II. --n. this epoch or system. [Gk eos dawn + kainos new]
EOCENE
Meaning of EOCENE in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012