scan·di·um /ˈskændiəm/
 金屬元素之一,符號為Sc,原子序為21
 scan·di·um /ˈskændɪəm/ 名詞
 鈧
 Scan·di·um n.  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.
 ◄ ►
 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]
 scandium
 Symbol: Sc
 Atomic number: 21
 Atomic weight: 44.956
 Rare soft silvery metallic element belonging to group 3 of the periodic
 table. There are ten isotopes, nine of which are radioactive and have
 short half-lives. Predicted in 1869 by Mendeleev, isolated by Nilson in
 1879.