europium Syllabification: (eu·ro·pi·um)Pronunciation: /yəˈrōpēəm/Definition of europium noun the chemical element of atomic number 63, a soft silvery-white metal of the lanthanide series. Europium oxide is used with yttrium oxide as a red phosphor in color television screens. (Symbol: Eu)Origin: early 20th century: modern Latin, based on Europeeuropium in other Oxford dictionaries Definition of europium in the British & World English dictionary
