CADMIUM

cadmium, Cd, atomic number

(noun) a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores

Source: WordNet® 3.1

Etymology

Noun

cadmium (countable and uncountable, plural cadmiums)

A chemical element (symbol Cd) with an atomic number of 48: a soft, silvery-white metal.

(countable) A single atom of this element.

Source: Wiktionary

Cad"mi*um, n. Etym: [NL. See Cadmia.] (Chem.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition