Dictionary![]() ![]() e•onPronunciation: (ē'un, ē'on), [key] —n. 1. an indefinitely long period of time; age. 2. the largest division of geologic time, comprising two or more eras. 3. Astron.one billion years. Also,aeon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
|
|