Cadmium n. (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.
Yellow n.
1.
A bright golden color, reflecting more light than any other except white; the color of that part of the spectrum which is between the orange and green. "A long motley coat guarded with yellow."
2.
A yellow pigment.
Cadmium yellow, Chrome yellow, Indigo yellow, King's yellow, etc. See under Cadmium, Chrome, etc.
Naples yellow, a yellow amorphous pigment, used in oil, porcelain, and enamel painting, consisting of a basic lead metantimonate, obtained by fusing together tartar emetic lead nitrate, and common salt.
Patent yellow (Old Chem.), a yellow pigment consisting essentially of a lead oxychloride; called also Turner's yellow.
