aeon
noun /ˈiːən/, /ˈiːɒn/
/ˈiːən/, /ˈiːɑːn/
(British English) (North American English or specialist eon)
- (formal) an extremely long period of time; thousands of years
- Only yesterday—and it seemed aeons ago, not just a few hours—he had been a happily married man.
- (geology) a major division of time, divided into eras
- aeons of geological history
- These hills have been worn down over aeons of geological time.
Word Originmid 17th cent.: via ecclesiastical Latin from Greek aiōn ‘age’.