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Siderian. In DICTIOUS you will not only get to know all the dictionary meanings for the word
Siderian, but we will also tell you about its etymology, its characteristics and you will know how to say
Siderian in singular and plural. Everything you need to know about the word
Siderian you have here. The definition of the word
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English
Adjective
Siderian (comparative more Siderian, superlative most Siderian)
- (geology) Of a geologic period within the Paleoproterozoic era from about 2500 to 2300 million years ago.
Proper noun
Siderian
- (geology) The Siderian period.
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