Definition of "praseodymium"

praseodymium

/ˌpɹeɪzioʊˈdɪmiəm/

noun
usually uncountable, plural praseodymiums
1. A chemical element (symbol Pr) with an atomic number of 59, a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties.