eonian
American Heritage Dictionary:
Top
e·o·ni·an
also ae·o·ni·an (ē-ō'nē-ən) 
adj.
Of, relating to, or constituting an eon.
adj.
Of, relating to, or constituting an eon.
Post a question - any question - to the WikiAnswers community:
Copyrights:
American Heritage Dictionary
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
Read more