period#3 (n)
geological period (n)

n15247518

type n
lex_filenum 28
def a unit of geological time during which a system of rocks formed
examples ganoid fishes swarmed during the earlier geological periods
Outgoing links
Hypernym geological time, geologic time
Part holonym era, geological era
Instance Hyponym Quaternary, Quaternary period, Age of Man; Tertiary, Tertiary period; Cretaceous, Cretaceous period; Jurassic, Jurassic period; Triassic, Triassic period; Permian, Permian period; Carboniferous, Carboniferous period; Pennsylvanian, Pennsylvanian period, Upper Carboniferous, Upper Carboniferous period; Mississippian, Missippian period, Lower Carboniferous, Lower Carboniferous period; Devonian, Devonian period, Age of Fishes; Silurian, Silurian period; Ordovician, Ordovician period; Cambrian, Cambrian period
Part meronym epoch
Hyponym ice age, glacial period, glacial epoch
Incoming links
Hyponym geological time, geologic time
Instance Hypernym Quaternary, Quaternary period, Age of Man; Tertiary, Tertiary period; Cretaceous, Cretaceous period; Jurassic, Jurassic period; Triassic, Triassic period; Permian, Permian period; Carboniferous, Carboniferous period; Pennsylvanian, Pennsylvanian period, Upper Carboniferous, Upper Carboniferous period; Mississippian, Missippian period, Lower Carboniferous, Lower Carboniferous period; Devonian, Devonian period, Age of Fishes; Silurian, Silurian period; Ordovician, Ordovician period; Cambrian, Cambrian period
Part meronym era, geological era
Part holonym epoch
Hypernym ice age, glacial period, glacial epoch

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