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The longest division of geologic time, containing two or more eras.

Answer:

Although usually taken to mean just a very long time, astronomy and geology use eon to mean a billion years.

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15y ago

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Related Questions

What is a long period of time?

An eon.


What is another word for a really long time?

eon


What is a three letter word for long time?

eon


Is there a way to get the Eon ticket?

No unless you use an a.r code. The eon ticket was in an event a long time ago.


What is opposite of eon?

The opposite meaning for eon is a short period of time which can be calculated or measured.Note: The answer is based on the assumption that the questioner asked the antonym for the word eon meaning immeasurably long period of time.


What is a long long time?

A long time is considered an eon or millions of years. It is a long period of time that is considered long. This "long time" is truly a long time.


Why does only one eon have eras?

An eon is an indefinitely long period of time, in which there exist noteworthy periods known as eras.


What is a long period of time called?

A long period of time is commonly referred to as an era or epoch.


What is a crossword clue for a really long time?

age, era, eon


How do you spell the word that means for a long piride if time?

An 'eon' or an 'era' .


How would you use eon in a sentence?

An example of eon in a sentence is ' Dinosaurs existed many eons ago on planet Earth.' The meaning of the word 'eon' is a long time ago.


How long did the Precambrain last?

Precambrian is an informal term for the time before the Cambrian Period, the first period of the Phanerozoic Eon. The Precambrian consists of three eons, the Hadean, the Archean, and the Proterozoic. The Hadean Eon is about 760,000,000 years long. The Archean Eon is about 1,300,000,000 years long. The Proterozoic Eon is about 1,960,000,000 years long This comes to a total of 4,025,000,000 years.