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Noun: aeon  ee-un or 'ee,ón
  1. An immeasurably long period of time
    "oh, that happened aeons ago";
    - eon
  2. The longest division of geological time
    - eon
  3. (Gnosticism) a divine power or nature emanating from the Supreme Being and playing various roles in the operation of the universe
    - eon

Derived forms: aeons

Type of: age, donkey's years [Brit, informal], geologic time, geological time, lifetime [], long time, spiritual being, supernatural being, years, yonks [Brit, informal]

Encyclopedia: Aeon