praseodymium

Noun
  1. A soft yellowish-white trivalent metallic element of the rare earth group;
    Can be recovered from bastnasite or monazite by an ion-exchange process (synset 114675391)
    is a type of: metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
    substance meronym:
    • bastnaesite, bastnasite - a yellow-to-brown mineral that is a source of rare earth elements
    • monazite - a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium
    same as: atomic number 59, pr

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