Definition of eon Eon
/iˈʌn/ - [eeun] - e•on
We found 12 definitions of eon from 6 different sources.
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British English
aeon - /ˈiːɒn/
American English
eon - /iˈʌn/
What does eon mean?
WordNet
NounPlural: eons |
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| eon - the longest division of geological time | ||
| aeon | ||
| geologic time, geological time the time of the physical formation and development of the earth (especially prior to human history) | ||
| eon - (Gnosticism) a divine power or nature emanating from the Supreme Being and playing various roles in the operation of the universe | ||
| aeon | ||
| spiritual being, supernatural being an incorporeal being believed to have powers to affect the course of human events | ||
| eon - an immeasurably long period of time; "oh, that happened eons ago" | ||
| aeon | ||
| long time, years, age a prolonged period of time; "we've known each other for ages"; "I haven't been there for years and years" | ||
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Wiktionary 
Webster DictionaryWebster's Unabridged Dictionary 📘
- eon (n.)
Alt. of Aeon
Chambers DictionaryChamber's 20th Century Dictionary 📕
-
eon
See Æon
Wikipedia 
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The eon (sometimes spelled aeon) is a very, very long time. It is used as the name for a part of the Earth's existence lasting many millions of years.
In the science of geology, a geologic eon is part of Earth's existence, made up of a number of eras, which are of different lengths. A geologic era is made up of two or more shorter times called geologic periods. A geologic period is, in turn made up of yet shorter times called geologic epochs.
Geologists have given names to all of the eons, eras, periods and epochs that they have found by looking at rocks. The names given to each eon describe something about that time, or the rocks that were made at that time.
For example, we are now in the Phanerozoic Eon, which comes from the Greek words for "life that we can see", that is, there were animals and plants big enough to see without a lens. This era started about 545 million years ago.
Part of speech
🔤- eon, noun, singular of eons.
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