n. 镉

[化] 镉Cd

[医] 镉(48号元素)

[ noun ]
a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores
<noun.substance>

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.

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