VariousWords beta
Related Terms:
Definitions:
Noun
Pliocene
Pliocene epoch
Definition: from 13 million to 2 million years ago; growth of mountains; cooling of climate; more and larger mammals
Adjective
Definition: Of a geologic epoch within the Neogene period from about 5.3 to 1.7 million years ago; marked by the appearance of humanity's first ancestors.