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Meaning of GEOLOGICAL ERA

 
WordNet Dictionary
 
 Definition: 
[n]  a major division of geological time; an era is usually divided into two or more periods
 
 Synonyms: era
 
 See Also: aeon, Age of Mammals, Age of Reptiles, Archaeozoic, Archaeozoic era, Archean, Archean era, Archeozoic, Archeozoic era, Cenozoic, Cenozoic era, eon, geologic time, geological period, geological time, Mesozoic, Mesozoic era, Paleozoic, Paleozoic era, period, Precambrian, Precambrian period, Preoterozoic era, Proterozoic

 

 

 

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