Lower Carboniferous period 1
noundomain: time
Princeton WordNet [ver.3.1]
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EnglishDefinition
from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects
Instance_Hypernym
period 4
noun
a unit of geological time during which a system of rocks formed
Part_meronym
Carboniferous 1
noun
from 345 million to 280 million years ago
EnglishPart_holonym
Carboniferous 1
noun
from 345 million to 280 million years ago
