Webster’s Revised Unabridged Dictionary · 1913
Lutecium
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.
Webster’s Revised Unabridged Dictionary · 1913
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.