What is the meaning of Eon?

Eternity, the duration of the universe.

An immeasurably or indefinitely long period of time.

A long period of time.

A period of one billion (short scale, i.e. 1,000,000,000) years.

The longest geochronologic unit, being a period of hundreds of millions of years; subdivided into eras.

A spirit being emanating from the Godhead.

eon; eternity

eon, aeon

eon

A period of 1,000,000,000 years.

eon

eon; eternity

eon, aeon

eon

A period of 1,000,000,000 years.

eon

eon; eternity

eon, aeon

eon

A period of 1,000,000,000 years.

eon

era

aeon (geological time period)

aeon (being emanating from the Godhead)

eon

eon

eon; eternity

eon

Source: wiktionary.org