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Cobalt   /kˈoʊbˌɔlt/   Listen
Cobalt

noun
1.
A hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition.  Synonyms: atomic number 27, Co.



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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

... has not so many ribbons as this poor vagabond's claim. Sometimes it is swathed in crimson tyings, sometimes in scarlet, now and again in magenta; and I am very happy to be able to say that pink and two very exquisite shades of blue known as birds-egg and cobalt ...
— The Story of Louis Riel: The Rebel Chief • Joseph Edmund Collins

... know of a canon whose westerly wall is colored in the dull rich colors, the fantastic patterns of a Moorish tapestry. Umber, seal brown, red, terra-cotta, orange, Nile green, emerald, purple, cobalt blue, gray, lilac, and many other colors, all rich with the depth of satin, glow wonderful as the craftiest textures. Only here the fabric is five miles long and half ...
— The Mountains • Stewart Edward White

... of that year was one of those days for which Newport is famous—a tangy breeze sweeping over the gorse-clad cliffs and dunes that mark the environment of Bateman's Point the old yellow light-ship which keeps watch and ward over the Brenton reefs rising and falling on a cobalt sea. From out of the seaward mists there came shortly before ten o'clock a low-lying craft which was instantly picked out by the men of the light-ship as a submarine, an American submarine. There is a station for them in Newport Harbor, and submersible boats ...
— Our Navy in the War • Lawrence Perry

... lake, of gamboge, of sepia, of blue-black, of cobalt, and vermilion; and prepare gradated columns (exactly as you have done with the Prussian blue) of the lake and blue-black.[8] Cut a narrow slip, all the way down, of each gradated color, and set the three slips side by side; fasten them down, and rule lines at equal distances across all ...
— The Elements of Drawing - In Three Letters to Beginners • John Ruskin

... was the width of the valley, that a waterfall on the opposite cliff looked, from where we stood, like a silver thread against its side. Beyond, the valley bore away in a southerly direction until it was closed in by ranges of overlapping hills of lovely blue—indigo or cobalt—as the blaze of the sun or the shadow of the clouds fell upon them. But for the faint murmur caused either by the falling of the water or the wind among the trees, the place was silent, and it was ...
— Celebrated Women Travellers of the Nineteenth Century • W. H. Davenport Adams

... suit me, Cobalt," he said. "My last valet was rather a fool and inclined to stick his nose into business which did not ...
— Jack O' Judgment • Edgar Wallace

... derived their tints entirely from minerals. The opaque white is found to be oxide of tin; the yellow is the antimoniate of lead, or Naples yellow, with a slight admixture of tin; the blue is oxide of copper, without any cobalt; the green is also from copper; the brown is from iron; and the red is a suboxide of copper. The bricks were slightly baked before being painted; they were then taken from the kiln, painted and enamelled on one side only, ...
— The Seven Great Monarchies Of The Ancient Eastern World, Vol 2. (of 7): Assyria • George Rawlinson

... i. 8) gives the following minima proportions in which metal may be worked on a grand scale, of course under the most favourable circumstances. The extremes are 0.25 (iron), and 0.00001 (gold); and antimony, bismuth, cobalt, and nickel are neglected, because the proportions vary ...
— The Land of Midian, Vol. 1 • Richard Burton

... to accompany him on a mine inspection tour and he would show me the improved method they used in prospecting for ore and extracting and milling it to the best advantage. "When our mining experts discover a mineral belt containing precious metals or copper, iron, lead, nickel, platinum, cobalt, quicksilver, manganese or any other ore used in manufactures and the arts, the first thing we do is to sink a shaft on the most likely ore chimney and at every one hundred feet in depth we run levels to develop it and if we continue to find ore as we go down and the ground requires drainage, ...
— Eurasia • Christopher Evans

... their interpreter, or returning gladsomeness or convalescence has made its chilled and evanished figures and landscape bud, blossom, and live in scarlet, green, and snowy white (like the fire-screen inscribed with the nitrate and muriate of cobalt,)—strange is the power to represent the events and circumstances, even to the anguish or the triumph of the 'quasi'-credent soul, while the necessary conditions, the only possible causes of such contingencies, are known to be in fact quite hopeless;—yea, ...
— Literary Remains (1) • Coleridge

... is all glassy, and while it is melted, touch it lightly to one small grain of one of the chemicals on the "jewel-making plate." This jewel-making plate is a plate with six small heaps of chemicals on it. They are: manganese dioxid, copper sulfate, cobalt chlorid, nickel salts, chrome alum, and silver nitrate. Put the bead back into the flame and let it melt until the color of the chemical has run all through it. Then while it is still melted, shake the bead out of the loop on to a clean plate. ...
— Common Science • Carleton W. Washburne

... officers looked up and round. On the crest of the dunes behind them, in sharp silhouette against the deep cobalt of the sky, they beheld a tall, lean figure scrupulously dressed in black with silver lace, a crimson ostrich plume curled about the broad brim of his hat affording the only touch of colour. Under that hat was the tawny ...
— Captain Blood • Rafael Sabatini

... he had shown himself in the matter of silver and gold, he had won great skill in the useful metals, especially in steel—the type of truth. And here in a break of rock he discovered a slender vein of a slate-gray mineral, distinct from cobalt, but not unlike it, such as he had found in the Carpathian Mountains, and which in metallurgy had no name yet, for its value was known to very few. But a legend of the spot declared that the ancient cutlers of Bilbao owed much of their fame to the use of this ...
— Mary Anerley • R. D. Blackmore

... Cobalt is widely used in the production of blue glasses. It produces a violet-blue in potash-lime and soda-lime glasses and a blue in lead glasses. It appears blue, but it transmits deep red rays. For this ...
— Artificial Light - Its Influence upon Civilization • M. Luckiesh

... glass, and therefore incapable of being affected by any articles of food contained or prepared in such vessels. With these materials, either in their natural white or variously coloured—black by manganese, blue by cobalt, brown and buff by iron—he produced imitations of the Etruscan vases, and of various other works of ancient art, such as the world had never before seen—such as no subsequent artist has ever attempted to rival. His copies of the ...
— The Mirror of Literature, Amusement, and Instruction - Vol. 19, Issue 550, June 2, 1832 • Various

... ore, bauxite, copper, lead, zinc, chromite, cobalt, manganese, nickel, clay, gypsum, salt, sand, ...
— The 2005 CIA World Factbook • United States. Central Intelligence Agency

... blotches on a piece of paper, are not unduly exigent. Their own primitive diagrams, like a badly drawn Euclidean problem, satisfy their idea of studies from the life. Their schemes of colour are limited to harmonies in crimson lake, cobalt and gamboge, their skies are very blue, their grass arsenically green, and their perspective as erratic as that ...
— Children's Books and Their Illustrators • Gleeson White

... maiden, charming and true, With beautiful eyes like the cobalt blue Of the borax bead, and I guess she'll do If she hasn't ...
— Modern Eloquence: Vol III, After-Dinner Speeches P-Z • Various

... where Captain Lewis, experimenting with some strange water he had found—with some cobalt and 'isonglass' in it—got very ill from it. His friend Clark says 'Copperas ...
— The Young Alaskans on the Missouri • Emerson Hough

... little the presence of his galleys could be suspected, how innocent must look the sun-bathed shore of Africa to the Christian skipper's diligently searching spy-glass. And there from his height, like the hawk they had dubbed him, poised in the cobalt heavens to plumb down upon his prey, he watched the great white ship and waited until she should come ...
— The Sea-Hawk • Raphael Sabatini

... promptly resorted to. Suffocation, from Substances in the Throat. Common Cuts. Wounds of Arteries, and other severe Cuts. Bruises. Sprains. Broken Limbs. Falls. Blows on the Head. Burns. Drowning. Poisons:—Corrosive Sublimate; Arsenic, or Cobalt; Opium; Acids; Alkalies. Stupefaction from Fumes of Charcoal, or from entering a Well, Limekiln, or Coalmine. Hemorrhage of the Lungs, Stomach, or Throat. Bleeding of the Nose. Dangers ...
— A Treatise on Domestic Economy - For the Use of Young Ladies at Home and at School • Catherine Esther Beecher

... very early, it was past noon before we caught our first glimpse of the city by the Po, lying low as it does in the vast Aemilian plain, and Arcolano set himself to name to me this church and that whose spires stood out against the cobalt background ...
— The Strolling Saint • Raphael Sabatini

... Natural resources: cobalt, copper, cadmium, petroleum, industrial and gem diamonds, gold, silver, zinc, manganese, tin, germanium, uranium, radium, bauxite, iron ore, ...
— The 1997 CIA World Factbook • United States. Central Intelligence Agency.

... swelling rises, grass-grown and untimbered. From the top of these ridges the view was a far one: you looked straight across undulating waves of country and intervening forest-land, to where, on the horizon, a long, low sprawling range of hills lay blue—cobalt-blue, and painted in with a sure brush—against the porcelain-blue of the sky. What did the washed-out tints of the foliage matter, when, wherever you turned, you could count on getting these marvellous soft distances, on always finding a range of blue-veiled ...
— Australia Felix • Henry Handel Richardson

... unsatisfactory. One sample tested by M. Hanon gave only 35.5 per cent., and another by Dr. Bernath yielded 40 per cent., of metallic iron. That gold has been found and was worked in the Carpathians as far back as the Dacian age is well known; and, according to modern writers, cobalt, sulphur, arsenic, copper,[19] and lead are also present in different districts, but the workable minerals of Roumania are at present limited to salt, petroleum, and lignite; and, looking to the importance of the subject, it is much to be ...
— Roumania Past and Present • James Samuelson

... "That younger man, Bla, swears by divided tones; his neighbour, Maugre, paints in dots. One is always to be recognized a half-mile away by his vibrating waterscapes—he calls them Symphonies of the Wet; the other goes in for turkeys in the grass, fowls that are cobalt-blue daubs, with grass a scarlet. It's awful on the optic nerves. Pointillisme, Maugre names his stuff. Now, ...
— Visionaries • James Huneker

... the east where the desert was most nearly level appeared the sea, waters of brilliant cobalt blue lapping shores clad in richest verdure, waves that broke in foam and ran softly up on quiet shores. Upon the sea, silhouetted against the turquoise sky were ships with sails of white, of crimson, of gold. Then, as the men stared with parted lips, the picture ...
— The Enchanted Canyon • Honore Willsie Morrow

... mass; and 4, common granular hardened snow. Layer 3 was full of small black grains, among which were found numerous metallic particles that were attracted by the magnet, and were found to contain iron, cobalt, and possibly ...
— The Voyage of the Vega round Asia and Europe, Volume I and Volume II • A.E. Nordenskieold

... Chinese town of Serambang lies at the foot of the hill. The valley is nearly surrounded by richly wooded hills, some of them fully three thousand feet high. These, which stretch away to the northern State of Selangor, are bathed in indigo and cobalt, slashed with white here and there, where cool streams dash over forest-shaded ledges. The house consists of two attap roofed bungalows, united by their upper verandas. Below there are a garden of acclimatization and a lawn, on ...
— The Golden Chersonese and the Way Thither • Isabella L. Bird (Mrs. Bishop)

... and other stones, a kind of jade and of malachite, are found in a great many places. Copper exists in considerable quantities in the neighborhood of Dondon and Jacmel, and in the Cibao; silver is found near San Domingo, and in various places in the Cibao, together with cinnabar, cobalt, bismuth, zinc, antimony, and lead in the Cibao, near Dondon and Azua, blue cobalt that serves for painting on porcelain, the gray, black specular nickel, etc.; native iron near the Bay of Samana, in the Mornes-du-Cap, and at Haut-and Bas-Moustique; other forms of that metal abound ...
— Atlantic Monthly, Vol. 9, No. 56, June, 1862 • Various

... which it is possible to write on either paper or vellum, so that the characters shall become visible only when subjected to the action of fire. Zaffre, digested in aqua regia, and diluted with four times its weight of water, is sometimes employed; a green tint results. The regulus of cobalt, dissolved in spirit of nitre, gives a red. These colors disappear at longer or shorter intervals after the material written upon cools, but again become apparent upon ...
— Selections From Poe • J. Montgomery Gambrill

... in great quantities, by placing about the house vessels, filled with sweetened water and cobalt. Six cents worth of cobalt is enough for a pint of water. ...
— A Treatise on Domestic Economy - For the Use of Young Ladies at Home and at School • Catherine Esther Beecher

... of which these meteoric masses consist, and on which Berzelius has thrown so much light, are the same as those distributed throughout the earth's crust, and are fifteen in number, namely, iron, nickel, cobalt, manganese, chromium, copper, arsenic, zinc, potash, soda, sulphur, phosphorus, and carbon, constituting altogether nearly one third of all the known simple bodies. Notwithstanding this similarity with the primary elements ...
— COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 • Alexander von Humboldt



Words linked to "Cobalt" :   metallic element, metal, smaltite



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