'Pliocene' definitions:
Definition of 'Pliocene'
From: WordNet
noun
From 13 million to 2 million years ago; growth of mountains; cooling of climate; more and larger mammals [syn: Pliocene, Pliocene epoch]
Definition of 'Pliocene'
From: GCIDE
- Pliocene \Pli"o*cene\, a. [Written also pleiocene.] [Gr. ? more + ? new, recent.] (Geol.) Of, pertaining to, or characterizing, the most recent division of the Tertiary age. [1913 Webster]
Definition of 'Pliocene'
From: GCIDE
- Pliocene \Pli"o*cene\, n. (Geol.) The Pliocene period or deposits. [1913 Webster]