Praseodymium

n.

1.

(Chem.) An elementary substance, one of the constituents of didymium; - so called from the green color of its salts. Symbol Ps. Atomic weight 143.6.

Noun

1.

praseodymium - a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process Synonyms: atomic number 59, Pr

atomic number 59, bastnaesite, bastnasite, metal, metallic element, monazite, Pr