eon
noun/ˈiːən/, /ˈiːɒn/
/ˈiːən/, /ˈiːɑːn/
(North American English or specialist) (British English usually aeon)
- (formal) an extremely long period of time; thousands of years
- Only yesterday—and it seemed eons ago, not just a few hours—he had been a happily married man.
- (geology) a major division of time, divided into eras
- eons of geological history
Check pronunciation:
eon