01 a. Of, pertaining to, or characterizing, the most recent division of the Tertiary age.
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1.
Of, pertaining to, or characterizing, the most recent division of the Tertiary age.(Geol.)
Entry
2 senses · 2 variants
Webster, 1913
Pliocene
02 n. The Pliocene period or deposits.
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1.
The Pliocene period or deposits.(Geol.)