Definition of praseodymium noun from the Oxford Advanced American Dictionary

 

praseodymium

 noun
noun
NAmE//ˌpreɪzioʊˈdɪmiəm//
 
[uncountable](symbol Pr)
 
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a chemical element. Praseodymium is a soft silver-white metal used in alloys and to color glass.
See the Oxford Advanced Learner's Dictionary entry: praseodymium