Praseodymium

//ˌpɹeɪzioʊˈdɪmiəm// noun

Definitions

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

    "But the government also gave MP Materials a decade-long guaranteed price floor for its products, such as the rare earths neodymium-praseodymium, at twice recent market rates (leaving aside the fact prices have soared this week as MP Materials has cut ties with China)."

  2. 2
    a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process wordnet

Etymology

From Ancient Greek πράσιος (prásios, “leek-green”) + didymium.

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