Archaean: difference between revisions
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# {{ |
# {{lb|en|geology}} of, or relating to the [[geologic]] [[eon]] from about 3,800 to 2,500 million years ago; comprises the [[Eoarchean]], [[Paleoarchean]], [[Mesoarchean]] and [[Neoarchean]] [[era]]s; marked by an [[atmosphere]] with little [[oxygen]], the formation of the first [[continent]]s and [[ocean]]s and the emergence of simple [[life]] |
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{{en-proper noun}} |
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# {{ |
# {{lb|en|geology}} The eon from 2,500 [[Ma]] to 4,000 Ma. |
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====Hypernyms==== |
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Revision as of 15:27, 22 July 2016
See also: archaean
English
Alternative forms
Adjective
Archaean (not comparable)
- (geology) of, or relating to the geologic eon from about 3,800 to 2,500 million years ago; comprises the Eoarchean, Paleoarchean, Mesoarchean and Neoarchean eras; marked by an atmosphere with little oxygen, the formation of the first continents and oceans and the emergence of simple life
Translations
of eon from 3,800 to 2,500 million years ago
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Proper noun
Archaean
Hypernyms
- (eon 2,500-4,000 Ma): Precambrian
Hyponyms
- (eon 2,500-4,000 Ma): Eoarchaean, Paleoarchaean, Mesoarchaean, Neoarchaean
Coordinate terms
- (eon 2,500-4,000 Ma): Hadean, Proterozoic - eons in Precambrian
Translations
Archaean eon
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