1. [syn: cobalt, Co, atomic number 27]
The Collaborative International Dictionary of English v.0.48:
Cobalt \Co"balt\ (k[=o]"b[o^]lt; 277, 74), n. [G. kobalt, prob.
fr. kobold, kobel, goblin, MHG. kobolt; perh. akin to G.
koben pigsty, hut, AS. cofa room, cofgodas household gods,
Icel. kofi hut. If so, the ending -old stands for older
-walt, -wald, being the same as -ald in E. herald and the
word would mean ruler or governor in a house, house spirit,
the metal being so called by miners, because it was poisonous
and troublesome. Cf. Kobold, Cove, Goblin.]
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
Cobalt yellow (Chem.), a yellow crystalline powder,
regarded as a double nitrite of cobalt and potassium.
WordNet (r) 3.0 (2006):
n 1: a hard ferromagnetic silver-white bivalent or trivalent
metallic element; a trace element in plant and animal
nutrition [syn: cobalt, Co, atomic number 27]
The Elements (07Nov00):
Atomic number: 27
Atomic weight: 58.993
Light grey transition element. Some meteorites contain small amounts of
metallic cobalt. Generally alloyed for use. Mammals require small
of cobalt salts. Cobalt-60, an artificially produced radioactive isotope
of Cobalt is an important radioactive tracer and cancer-treatment agent.
Discovered by G. Brandt in 1737.
U.S. Gazetteer Places (2000):
Cobalt, MO -- U.S. village in Missouri
Population (2000): 189
Housing Units (2000): 89
Land area (2000): 0.145300 sq. miles (0.376326 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 0.145300 sq. miles (0.376326 sq. km)
FIPS code: 15220
Located within: Missouri (MO), FIPS 29
Location: 37.545564 N, 90.288726 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.