Pliocene epoch

Other forms: Pliocene epochs

Definitions of Pliocene epoch
  1. noun
    the epoch of geologic time from about 5.3 to 2.6 million years ago; the second and final epoch of the Neogene period
    synonyms: Pliocene
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    example of:
    epoch
    a unit of geological time that is a subdivision of a period and is itself divided into ages
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