Ordovizium

== German == === Etymology === Learned borrowing from New Latin Ordovicium. === Pronunciation === IPA(key): /ɔʁdoˈviːtsi̯ʊm/ === Proper noun === Ordovizium n (proper noun, strong, genitive Ordoviziums) the Ordovician ==== Declension ==== === See also === Kambrium Silur Paläozoikum