cobalt

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

2. n. A commercial name of a crude arsenic used as fly poison. Source: opted

3. n. a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition Source: wordnet

4. 1. (Chem.) A tough, lustrous, reddish white metal of the iron group, not easily fusible, and somewhat magnetic. Atomic weight 59.1. Symbol Co. Note: It occurs in nature in combination with arsenic, sulphur, and oxygen, and is obtained from its ores, smaltite, cobaltite, asbolite, etc. Its oxide colors glass or any flux, as borax, a fine blue, and is used in the manufacture of smalt. It is frequently associated with nickel, and both are characteristic ingredients of meteoric iron. 2. A commercial name of a crude arsenic used as fly poison. 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. (Min.) See Cobaltite. -- Cobalt green, a pigment consisting essentially of the oxides of cobalt and zinc; -- called also Rinman's green. -- Cobalt yellow (Chem.), a yellow crystalline powder, regarded as a double nitrite of cobalt and potassium. Source: webster

5. A tough, lustrous, reddish white metal of the iron group, noteasily fusible, and somewhat magnetic. Atomic weight 59.1. Symbol Co. Source: adambom

6. n:100 n. a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition Source: ecdict

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