2 entries found for aeon.
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Main Entry: aeˇon
Variant(s): or eon /primarystressemacron-schwan, primarystressemacron-secondarystressän/
Function: noun
1 : a very long period of time : AGE
2 a usually eon : a very large division of geologic time usually longer than an era b : a unit of geologic time equal to one billion years

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