adjective
also eo·ni·an ēˈōnēən, -nyən ; or ae·o·ni·al -ēəl, -yəl ; or ae·on·ic (ˈ)ē|änik
: lasting for an immeasurably or indefinitely long period of time
the aeonian ages preceding our present universe
adjective
also eo·ni·an ēˈōnēən, -nyən ; or ae·o·ni·al -ēəl, -yəl ; or ae·on·ic (ˈ)ē|änik
: lasting for an immeasurably or indefinitely long period of time
the aeonian ages preceding our present universe
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012