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See also: æon



aeon (plural aeons)

  1. (Australia, New Zealand, Britain) Alternative spelling of eon
    • 1892, Rudyard Kipling, When Earth's Last Picture is Painted (L’Envoi to 'The Seven Seas'):
      When Earth's last picture is painted, and the tubes are twisted and dried,/ When the oldest colors have faded, and the youngest critic has died,/ We shall rest, and, faith, we shall need it -- lie down for an aeon or two,/Till the Master of All Good Workmen shall put us to work anew.
  2. (Gnosticism, preferred spelling, with æon) A spirit being emanating from the Godhead.
  3. (Cosmology) Each universe in a series of universes, according to conformal cyclic cosmology.

Derived terms[edit]




Borrowed from Ancient Greek αἰών (aiṓn, age, eternity).



aeōn m (genitive aeōnis); third declension

  1. (Late Latin) age, eternity
  2. (Late Latin) one of the Gnostic Aeons


Third-declension noun.

Case Singular Plural
Nominative aeōn aeōnēs
Genitive aeōnis aeōnum
Dative aeōnī aeōnibus
Accusative aeōnem aeōnēs
Ablative aeōne aeōnibus
Vocative aeōn aeōnēs


  • aeon”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • aeon in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
  • aeon in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette
  • aeon”, in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers