noun
- From 13 million to 2 million years ago; growth of mountains; cooling of climate; more and larger mammals.
- synonyms: Pliocene epoch
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Pliocene. Retrieved September 22, 2026, from http://smartdefine.org/pliocene/definitions/1249810 |
| Chicago | WordNet. 2010. "Pliocene" http://smartdefine.org/pliocene/definitions/1249810 (accessed September 22, 2026). |
| Harvard | WordNet 2010, Pliocene, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/pliocene/definitions/1249810>. |
| MLA | WordNet. "Pliocene" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/pliocene/definitions/1249810> |