GNU Collaborative International Dictionary of English

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1.       
   Cadmium , 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