praseodymium
praseodymium[ˌpreɪzɪə(ʊ)ˈdɪmɪəm]noun- [mass noun]the chemical element of atomic number 59, a soft silvery-white metal of the lanthanide series(Symbol: Pr)
(化学元素)镨(符号:Pr)
语源- late 19th cent.: modern Latin, from German Praseodym, from Greek prasios 'leek-green' (because of its green salts) + German Didym 'didymium'
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