Cobalt /(kō"bŏlt; 277, 74)/

Co·balt

Cobalt

n.
  1. A tough, lustrous, reddish white metal of the iron group, not easily fusible, and somewhat magnetic. Atomic weight 59.1. Symbol Co. (Chem.)
  2. A commercial name of a crude arsenic used as fly poison.

Phrases & Compounds
Cobalt bloom
Same as Erythrite.
Cobalt blue
a dark blue pigment consisting of some salt of cobalt, as the phosphate, ignited with alumina; -- called also cobalt ultramarine, and Thenard's blue.
Cobalt crust
earthy arseniate of cobalt.
Cobalt glance
See Cobaltite.
Cobalt green
a pigment consisting essentially of the oxides of cobalt and zinc; -- called also Rinman's green.
Cobalt yellow
a yellow crystalline powder, regarded as a double nitrite of cobalt and potassium.