LEARNit Dictionary
eon
noun
/ˈiːən/
UK
/ˈiːən/
US
1
an extremely long period of time; thousands of years
دهر, اعصار
2
a major division of time, divided into eras
دهر, دوره بسیار طولانی, بخش عظیم زمانی
eons of geological history