Pli·o·cene /ˈplaɪəˌsin/
上新世,上新世的
Pli·o·cene a. [Written also pleiocene.] Geol. Of, pertaining to, or characterizing, the most recent division of the Tertiary age.
Pli·o·cene, n. Geol. The Pliocene period or deposits.
◄ ►
Pliocene
n : from 13 million to 2 million years ago; growth of mountains;
cooling of climate; more and larger mammals [syn: Pliocene
epoch]