Ordovician

EnglishEdit

 
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EtymologyEdit

Named by Charles Lapworth in 1879 after the Celtic tribe of the Ordovices.

AdjectiveEdit

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 nounEdit

Ordovician

  1. (geology) The Ordovician period.

TranslationsEdit

See alsoEdit