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aeon

American  
[ee-uhn, ee-on] / ˈi ən, ˈi ɒn /

noun

  1. Also Aeon (in Gnosticism) one of a class of powers or beings conceived as emanating from the Supreme Being and performing various functions in the operations of the universe.

  2. eon.


aeon British  
/ ˈiːɒn, ˈiːən /

noun

  1. an immeasurably long period of time; age

  2. a period of one thousand million years

  3. (often capital) gnosticism one of the powers emanating from the supreme being and culminating in the demiurge

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of aeon

First recorded in 1580–90; from Late Latin, from Greek aiṓn “age, long period of time, eternity”

Vocabulary lists containing aeon

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

So here's another important caveat: If a week is a long time in politics these days, a fortnight is an absolute aeon.

From BBC • Nov. 28, 2018

In this new era of oversharing, the 1994 of Four Weddings seems an aeon away.

From The Guardian • Feb. 13, 2016

The time frame matches Bottke’s model and corresponds to the Archaean aeon.

From Nature • Apr. 25, 2012

How strange, though, to compare this reasonable piece of entertainment with the sensational impact of that first Shrek film, way back in 2001, an aeon in movie-trend terms.

From The Guardian • Jul. 1, 2010

Probably all these lists are based on some calculation as to the proper allowance of saints for an aeon.

From Hinduism and Buddhism, An Historical Sketch, Vol. 1 by Eliot, Charles, Sir