ordovian (0 synonym found)

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Definition of ordovian:

(adj) : Alternative form of Ordovician. [(geology) Of a geologic period within the Paleozoic era; comprises lower, middle and upper epochs from about 488 to 443 million years ago.]
(n) : Alternative form of Ordovician. [(geology) The Ordovician period.]

Definition of ordovian:

(adj) : Alternative form of Ordovician. [(geology) Of a geologic period within the Paleozoic era; comprises lower, middle and upper epochs from about 488 to 443 million years ago.]
(n) : Alternative form of Ordovician. [(geology) The Ordovician period.]

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