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Definitions for: 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
Webster (1913) Definition: Pra`se*o*dym"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.
Synonyms: atomic number 59, Pr
See Also: bastnaesite, bastnasite, metal, metallic element, monazite
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