Ordovician

Definition from Wiktionary, the free dictionary
Jump to: navigation, search

English[edit]

Wikipedia has an article on:

Wikipedia

Adjective[edit]

Ordovician (comparative more Ordovician, superlative most Ordovician)

  1. (geology) Of a geologic period within the Paleozoic era; comprises lower, middle and upper epochs from about 488 to 443 million years ago.

Proper noun[edit]

Ordovician

  1. (geology) The Ordovician period.

Translations[edit]

See also[edit]