praseodymium : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: praseodymium	by the DICT Development Group
3 results for praseodymium
From WordNet (r) 3.0 (2006) [wn]:
praseodymium n a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process Synonym(s): praseodymium, Pr, atomic number 59
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Praseodymium \Pra`seodym"i*um\, n. [Praseo- + didymium.] (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.
From The Elements (22Oct97) [elements]:
praseodymium Symbol: Pr Atomic number: 59 Atomic weight: 140.907 Soft silvery metallic element, belongs to the lanthanoids. Only natural isotope is Pr-141 which is not radioactive. Fourteen radioactive isotopes have been artificially produced. Used in rare-earth alloys. Discovered in 1885 by C.A. von Welsbach.