praseodymium
/ˌpreɪzɪəʊˈdɪmɪəm/noun
mass noun
- the chemical element of atomic number 59, a soft silverywhite metal of the lanthanide series. (Symbol: Pr)（化学元素）镨（符号： Pr）。
词源
late 19th cent.: modern Latin， from German Praseodym, from Greek prasios 'leek-green' (because of its green salts)+German Didym 'didymium'.