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
   "Praseodymium is used in making strong metals for aircraft engines";
   - Pr, atomic number 59

Derived forms: praseodymiums

Type of: metal, metallic element

Part of: bastnaesite, bastnasite, monazite

Encyclopedia: Praseodymium