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词汇 praseodymium
释义

praseodymium

noun
/ˌpreɪziəʊˈdɪmiəm/
/ˌpreɪziəʊˈdɪmiəm/
[uncountable]
(symbol Pr)
  1. a chemical element. Praseodymium is a soft silver-white metal used in alloys and to colour glass.
    词源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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