01 n. A tough, lustrous, reddish white metal of the iron group, not easily fusible, and somewhat magnetic. Atomic weight 59.1. Symbol Co.
-
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.