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World English Dictionary
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eon
e·on
[
òn,
ən
]
(
plural
e·ons
)
noun
Definition:
1.
vast amount of time:
a length of time that is too long to measure
2.
longest unit of geologic time:
a division of geologic time comprising two or more eras
[
Mid-17th century. Via late Latin< Greek
aiōn
"age, lifetime"
]
e·o·ni·an
[
ee ṓnee ən
]
adjective
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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e·o·ni·an [ ee ṓnee ən ] adjective
