Ordovician
Adjective
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Adjective
Ordovician
- (geology) Of a geologic period within the Paleozoic era; comprises lower, middle and upper epochs from about 488 to 443 million years ago.
- (geology) The Ordovician period.
- Russian: ордови́кский пери́од
This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.003