pra·se·o·dym·i·um
noun/ˌpreɪziəʊˈdɪmiəm/
/ˌpreɪziəʊˈdɪmiəm/
[uncountable] (symbol Pr)
- a chemical element. Praseodymium is a soft silver-white metal used in alloys and to colour glass.
镨 Word Originlate 19th cent.: modern Latin, from German Praseodym, from Greek prasios ‘leek-green’ (because of its green salts) + German Didym ‘didymium’.