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Meaning of Ordovician period in English
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Pronunciation
Noun
Definitions
Pronunciation
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Noun
Ordovician period
Definitions
1.
from 500 million to 425 million years ago
Examples
« conodonts and ostracods and algae and seaweeds »
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Ordovician
Ordnance Survey
ordnance stores
ordnance
Ordovician period
ordure
Ord kangaroo rat
ore
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