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Definition of Geological period
1. Noun. A unit of geological time during which a system of rocks formed. "Ganoid fishes swarmed during the earlier geological periods"
Exact synonyms: Period
Generic synonyms: Geologic Time, Geological Time
Specialized synonyms: Age Of Man, Quaternary, Quaternary Period, 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, Lower Carboniferous, Lower Carboniferous Period, Missippian Period, Mississippian, Age Of Fishes, Devonian, Devonian Period, Silurian, Silurian Period, Ordovician, Ordovician Period, Cambrian, Cambrian Period
Group relationships: Era, Geological Era
Terms within: Epoch
Specialized synonyms: Glacial Epoch, Glacial Period, Ice Age
Generic synonyms: Geologic Time, Geological Time
Specialized synonyms: Age Of Man, Quaternary, Quaternary Period, 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, Lower Carboniferous, Lower Carboniferous Period, Missippian Period, Mississippian, Age Of Fishes, Devonian, Devonian Period, Silurian, Silurian Period, Ordovician, Ordovician Period, Cambrian, Cambrian Period
Group relationships: Era, Geological Era
Terms within: Epoch
Specialized synonyms: Glacial Epoch, Glacial Period, Ice Age
Lexicographical Neighbors of Geological Period
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