About The Word Ordovician

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Ordovician

Ordovician Meaning & Definition
Ordovician Definition And Meaning

What's The Definition Of Ordovician?

[n] from 425 million to 500 million years ago; conodonts and ostracods and algae and seaweeds

Synonyms | Synonyms for Ordovician: Ordovician period

Related Terms | Find terms related to Ordovician:

See Also | geological period | Paleozoic | Paleozoic era | period

Ordovician In Webster's Dictionary

\Or`do*vi"cian\, a. [From L. Ordovices, a Celtic people in Wales.] (Geol.) Of or pertaining to a division of the Silurian formation, corresponding in general to the Lower Silurian of most authors, exclusive of the Cambrian. -- n. The Ordovician formation.

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