Defn: 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.

CADRANS
Cad"rans, n. Etym: [Cf. F. cadran. Cf. Quadrant.]

Defn: An instrument with a graduated disk by means of which the angles of gems are measured in the process of cutting and polishing.

CADRE Ca"dre, n. Etym: [F. cadre, It. quadro square, from L. quadrum, fr. quatuor four.] (Mil.)

Defn: The framework or skeleton upon which a regiment is to be formed; the officers of a regiment forming the staff. [Written also cader.]

CADUCARY
Ca*du"ca*ry, a. Etym: [See Caducous.] (Law)

Defn: Relating to escheat, forfeiture, or confiscation.

CADUCEAN
Ca*du"ce*an, a.

Defn: Of or belonging to Mercury's caduceus, or wand.

CADUCEUS
Ca*du"ce*us, n. Etym: [L. caduceum, caduceus; akin to Gr. (Myth.)