Source : Webster's Revised Unabridged Dictionary (1913)

Scandium \Scan"di*um\, n. [NL. So called because found in
   Scandinavian minerals.] (Chem.)
   A rare metallic element of the boron group, whose existence
   was predicted under the provisional name {ekaboron} by means
   of the periodic law, and subsequently discovered by spectrum
   analysis in certain rare Scandinavian minerals (euxenite and
   gadolinite). It has not yet been isolated. Symbol Sc. Atomic
   weight 44.

Source : WordNet®

scandium
     n : a white trivalent metallic element; sometimes classified in
         the rare earth group; occurs in the Scandinavian mineral
         thortveitite [syn: {Sc}, {atomic number 21}]