Synset

the longest division of geological time
<noun.time>

eon

lexical pointers

derivationally related form

lexical pointers

derivationally related form

semantic pointers

hypernym

geological time, geologic time

instance hyponym

Phanerozoic, Phanerozoic eon, Phanerozoic aeon Precambrian, Precambrian eon, Precambrian aeon, Precambrian period Proterozoic, Proterozoic eon, Proterozoic aeon Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon Hadean, Hadean time, Hadean eon, Hadean aeon, Priscoan, Priscoan eon, Priscoan aeon

part meronym

era, geological era