Cadmium

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Cadmium \Cad"mi*um\, n. [NL. See {Cadmia}.] (Chem.)
     A comparatively rare element related to zinc, and occurring
     in some zinc ores. It is a white metal, both ductile and
     malleable. Symbol Cd. Atomic weight 111.8. It was discovered
     by Stromeyer in 1817, who named it from its association with
     zinc or zinc ore.


     [1913 Webster]
  
     {Cadmium yellow}, a compound of cadmium and sulphur, of an
        intense yellow color, used as a pigment.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  cadmium
       n : a soft bluish-white ductile malleable toxic bivalent
           metallic element; occurs in association with zinc ores
           [syn: {Cd}, {atomic number 48}]

From Elements database 20001107 [elements]:

  cadmium
  Symbol: Cd
  Atomic number: 48
  Atomic weight: 112.40
  Soft bluish metal belonging to group 12 of the periodic table. Extremely
  toxic even in low concentrations. Chemically similar to zinc, but lends
  itself to more complex compounds. Discovered in 1817 by F. Stromeyer.