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Definition of Geological era
1. Noun. A major division of geological time; an era is usually divided into two or more periods.
Exact synonyms: Era
Generic synonyms: Geologic Time, Geological Time
Specialized synonyms: Age Of Mammals, Cenozoic, Cenozoic Era, Age Of Reptiles, Mesozoic, Mesozoic Era, Paleozoic, Paleozoic Era
Group relationships: Aeon, Eon
Terms within: Geological Period, Period
Generic synonyms: Geologic Time, Geological Time
Specialized synonyms: Age Of Mammals, Cenozoic, Cenozoic Era, Age Of Reptiles, Mesozoic, Mesozoic Era, Paleozoic, Paleozoic Era
Group relationships: Aeon, Eon
Terms within: Geological Period, Period
Lexicographical Neighbors of Geological Era
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