Definition of Neodym. Meaning of Neodym. Synonyms of Neodym
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Definition of Neodym
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Neodymium Neodymium Ne`o*dym"i*um, n. [NL. Dee Neo-, and Didymium.]
(Chem.)
An elementary substance which forms one of the constituents
of didymium. Symbol Nd. Atomic weight 140.8.
Neodymium Neodymium Ne`o*dym"i*um, n. [NL. See Neo-, Didymium.]
(Chem.)
A rare metallic element occurring in combination with cerium,
lanthanum, and other rare metals, and forming
amethyst-colored salts. It was separated in 1885 by von
Welsbach from praseodymium, the two having previously been
regarded as a single element (didymium). It is chiefly
trivalent. Symbol Nd; at. wt. 144.3.