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Definitions for: Lutecium [n] a trivalent metallic element of the rare earth group; usually occurs in association with yttrium
Webster (1913) Definition: Lu*te"ci*um, n. (Chem.)
A metallic element separated from ytterbium in 1907, by
Urbain in Paris and by von Welsbach in Vienna. Symbol, Lu;
at. wt. 174.0.
Synonyms: atomic number 71, Lu, lutetium
See Also: metal, metallic element
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