aeon(redirected from ÆON)
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aeon(esp US), eon
1. a period of one thousand million years
2. Gnosticism one of the powers emanating from the supreme being and culminating in the demiurge
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
aeonA period of one thousand million years: 109 years.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
A billion (109) years. Also spelled eon.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.