pliocene Meaning, Definition & Usage

  1. noun from 13 million to 2 million years ago; growth of mountains; cooling of climate; more and larger mammals
    Pliocene epoch.

WordNet

Pli"o*cene adjective
Etymology
Gr. more + new, recent.
Definitions
  1. (Geol.) Of, pertaining to, or characterizing, the most recent division of the Tertiary age.
Pli"o*cene noun
Definitions
  1. (Geol.) The Pliocene period or deposits.

Webster 1913