Noun aeon has 3 senses
  1. eon, aeon - (Gnosticism) a divine power or nature emanating from the Supreme Being and playing various roles in the operation of the universe
    --1 is a kind of spiritual being, supernatural being
  2. eon, aeon - the longest division of geological time
    --2 is a kind of geological time, geologic time
    --2 has parts: era, geological era
  3. eon, aeon - an immeasurably long period of time
    --3 is a kind of long time, age, years
    --3 has particulars:
     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
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