Definition of cobalt

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Cobalt (n.) A commercial name of a crude arsenic used as fly poison.

Lern More About Cobalt

Pyrites :: Pyrites (n.) A name given to a number of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color..
Erythrite :: Erythrite (n.) A rose-red mineral, crystallized and earthy, a hydrous arseniate of cobalt, known also as cobalt bloom; -- called also erythrin or erythrine..
Purpureo- :: Purpureo- () A combining form signifying of a purple or purple-red color. Specif. (Chem.), used in designating certain brilliant purple-red compounds of cobaltic chloride and ammonia, similar to the roseocobaltic compounds. See Cobaltic..
Bloom :: Bloom (n.) A popular term for a bright-hued variety of some minerals; as, the rose-red cobalt bloom..
Smaltite :: Smaltite (n.) A tin-white or gray mineral of metallic luster. It is an arsenide of cobalt, nickel, and iron. Called also speiskobalt..
Roseo- :: Roseo- () A prefix (also used adjectively) signifying rose-red; specifically used to designate certain rose-red compounds (called roseo-cobaltic compounds) of cobalt with ammonia. Cf. Luteo-.
Kobalt :: Kobalt (n.) See Cobalt.
Glaucodot :: Glaucodot (n.) A metallic mineral having a grayish tin-white color, and containing cobalt and iron, with sulphur and arsenic..
Linnaeite :: Linnaeite (n.) A mineral of pale steel-gray color and metallic luster, occurring in isometric crystals, and also massive. It is a sulphide of cobalt containing some nickel or copper..
Cobalt :: Cobalt (n.) A tough, lustrous, reddish white metal of the iron group, not easily fusible, and somewhat magnetic. Atomic weight 59.1. Symbol Co..
Cabrerite :: Cabrerite (n.) An apple-green mineral, a hydrous arseniate of nickel, cobalt, and magnesia; -- so named from the Sierra Cabrera, Spain..
Cobaltic :: Cobaltic (a.) Pertaining to, derived from, or containing, cobalt; -- said especially of those compounds in which cobalt has higher valence; as, cobaltic oxide..
Xantho- :: Xantho- () A combining form from Gr. xanqo`s yellow; as in xanthocobaltic salts. Used also adjectively in chemistry.
Arsenic :: Arsenic (n.) One of the elements, a solid substance resembling a metal in its physical properties, but in its chemical relations ranking with the nonmetals. It is of a steel-gray color and brilliant luster, though usually dull from tarnish. It is very brittle, and sublimes at 356ยก Fahrenheit. It is sometimes found native, but usually combined with silver, cobalt, nickel, iron, antimony, or sulphur. Orpiment and realgar are two of its sulphur compounds, the first of which is the true arsenicum of
Speiss :: Speiss (n.) A regulus consisting essentially of nickel, obtained as a residue in fusing cobalt and nickel ores with silica and sodium carbonate to make smalt..
Skutterudite :: Skutterudite (n.) A mineral of a bright metallic luster and tin-white to pale lead-gray color. It consists of arsenic and cobalt.
Cobaltous :: Cobaltous (a.) Pertaining to, derived from, or containing, cobalt; -- said esp. of cobalt compounds in which the metal has its lower valence..
Smalt :: Smalt (v. t.) A deep blue pigment or coloring material used in various arts. It is a vitreous substance made of cobalt, potash, and calcined quartz fused, and reduced to a powder..
Zaffer :: Zaffer (n.) A pigment obtained, usually by roasting cobalt glance with sand or quartz, as a dark earthy powder. It consists of crude cobalt oxide, or of an impure cobalt arseniate. It is used in porcelain painting, and in enameling pottery, to produce a blue color, and is often confounded with smalt, from which, however, it is distinct, as it contains no potash. The name is often loosely applied to mixtures of zaffer proper with silica, or oxides of iron, manganese, etc..
Cobaltine :: Cobaltine (n.) Alt. of Cobaltit.
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