Synonym for lutetium ... <chemical> Lutetium. An element of the rare earth family of metals. It has the atomic symbol lu, atomic number 71, and atomic weight 175. ... Chemical name: Lutetium ... (12 Dec 1998) ... Found on http://www.encyclo.co.uk/local/20973
Lu·te'ci·um noun (Chemistry) A metallic element separated from ytterbium in 1907, by Urbain in Paris and by von Welsbach in Vienna. Symbol, Lu ; at. wt. 174.0. Found on http://www.encyclo.co.uk/webster/L/71