COBALT • E-FREE TRANSLATION.COM • Definition of Cobalt

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/kˈoʊbˌɔlt/ Listen

noun

Cobalt n.

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.

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Etymology of 'Cobalt'

Collaborative International Dictionary of English 0.48

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"Cobalt" Quotes from Famous Books

... the leafless shrubbery, too—wine-red stems of dogwood, ash-blue berry-canes, and the tangled green and gold of willows. And over all a pale cobalt sky, and a snow-covered hill, where, in the woods, crows sat cawing on the taller trees, and a ...

— The Crimson Tide • Robert W. Chambers

... quartz, water, timber, hydroelectric potential, scenic beauty; small deposits of lignite, copper, cobalt, iron ore ...

— The 1990 CIA World Factbook • United States. Central Intelligence Agency

... duties were finished before that and the three were sitting on the terrace with a world of silver light and cobalt shadows about them. That is to say, two of them sat there in silence while the third came and went about his duties of changing records and needles and the winding of the machine—for he still dedicated ...

— The Tyranny of Weakness • Charles Neville Buck

... in the solar fires there ever burn such things as hydrogen, oxygen and nitrogen, and also, in a vaporous state, aluminium, sodium, iron, magnesium, cobalt, calcium, chromium, copper, ...

— Aether and Gravitation • William George Hooper

... afternoon when they reached the ford. The hills had sunk away to low up-sweepings of gray soil, no longer hiding the plain which lay yellow against a cobalt sky. As the wagons rolled up on creaking wheels the distance began to darken with the buffalo. The prospect was like a bright-colored map over which a black liquid has been spilled, here in drops, there in creeping streams. Long files flowed from the rifts between the ...

— The Emigrant Trail • Geraldine Bonner

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