Definition of Ordovician

Noun: Ordovician  ,or-du'vi-sh(ee-)un or ,or-du'vi-see-un

1. From 500 million to 425 million years ago; conodonts and ostracods and algae and seaweeds
   - Ordovician period

See also:
ordos
ordure

Anagrams containing the word Ordovician

ovriondcia nordovicia anordovici ianordovic cianordovi icianordov vicianordo ovicianord dovicianor rdoviciano