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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



... together with Loyalty Islands, Fortuna, and the New Hebrides group, have great wealth in the matter of resources. New Caledonia, a penal colony, has productive mines of chrome iron ore and copper. It is the source of a considerable supply of nickel and cobalt. A railway to the coast has been built for the carriage of ...
— Commercial Geography - A Book for High Schools, Commercial Courses, and Business Colleges • Jacques W. Redway

... 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 ...
— Selections From Poe • J. Montgomery Gambrill

... can say is that without warning or preparation I looked into a gulf seventeen hundred feet deep, with eagles and fish-hawks circling far below. And the sides of that gulf were one wild welter of color—crimson, emerald, cobalt, ochre, amber, honey splashed with port wine, snow white, vermilion, lemon, and silver gray in wide washes. The sides did not fall sheer, but were graven by time, and water, and air into monstrous heads of kings, dead chiefs—men and women of the old time. So far below that no sound of its strife ...
— American Notes • Rudyard Kipling

... miles distance, we joined the men who had been sent from the Maha village with our horses, and who brought us two deer. The bluffs or hills which reach the river at this place, on the south, contain allum, copperas, cobalt which had the appearance of soft isinglass, pyrites, and sandstone, the two first very pure. Above this bluff comes in a small creek on the south, which we call Rologe creek. Seven miles above is another cliff, on the same side, of allum rock, of a dark brown ...
— History of the Expedition under the Command of Captains Lewis and Clark, Vol. I. • Meriwether Lewis and William Clark

... until all the hands were exposed. He wrinkled his face in painful efforts of concentration, protruded a thick and unsavory tongue. At the loose corners of Jake's mouth flecks of saliva gathered whitely; in the fleering light of the kerosene the shadows on his face were cobalt. The woman's face shone with drops of perspiration that formed slowly and rolled like a flash ...
— Mountain Blood - A Novel • Joseph Hergesheimer

... casting a strangely- contrasting shadow of the deepest, purest ultramarine. The ruined pinnacles on the summit of the berg gleamed with every tint of the rainbow, from palest yellow, through orange and crimson, to a blue varying from the most delicate cobalt to a deep violet, almost undistinguishable from black. And, to complete the fairy-like beauty of the picture, the body of the berg, a pure marble-like white in the centre, gradually assumed a translucent appearance toward the edges, in which the rays of the sun gleamed ...
— The Log of the Flying Fish - A Story of Aerial and Submarine Peril and Adventure • Harry Collingwood

... the adobe houses with red-tiled roofs and walls of cobalt blue, the palms, and the yellow custom-house, he might think he was in Santiago; the Indian merchants in velvet and gold embroideries seated in deep, dark shops which breathe out dry, pungent odors, might take him back to Bombay; the ...
— The Congo and Coasts of Africa • Richard Harding Davis

... were awake; the bank was starred with white violets and wild-strawberry blossoms; and through a gap in the ilex trees beyond, she had a vision of far hills and flashing snow-peaks, blue-white in the sun, cobalt in shadow. Overhead, among the higher branches, a bird was trilling ...
— Far to Seek - A Romance of England and India • Maud Diver

... filled with the sweet smell of vegetation drying in the sun. As she approached the other side, the blue sky curved down to meet the ocean on a far straight line. The yellow-green of the sea was set off by astonishing areas of clearest cobalt blue, and the flying spray from combers breaking for miles out on the North Shoals, caught the sunlight in a glory ...
— Where the Sun Swings North • Barrett Willoughby

... high-ceilinged, cool, large rooms filled with fine old furniture, a few pictures, glimpses of brass and silver, large windows opening upon lawns and trees and shrubs and flowers, a flash of blue river, a vista of green marshes melting into the cobalt sky. A stately, lovely, leisurely old house, typifying the stately, leisurely life that had called it into being; both gone irrevocably into the ...
— The Purple Heights • Marie Conway Oemler

... water on wood-ashes, from solutions of borax, and also of soda in water, were then used. We find from Cennino's book that ultramarine (of which soda is a constituent part) was prepared with it; that it was also used in preparing azzuro della magna, (an ore of cobalt,) and zafferano. It has been likewise ascertained that soda has a preserving influence on red, yellow, and black pigments; and the result of experiments on these colours has been so satisfactory, that a certain quantity of soda—or, to ...
— Blackwood's Edinburgh Magazine, Volume 57, No. 356, June, 1845 • Various

... peat, cobalt, copper, platinum, vanadium, arable land, hydropower, niobium, tantalum, gold, ...
— The 2008 CIA World Factbook • United States. Central Intelligence Agency.

... think how 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 ...
— The Sea-Hawk • Raphael Sabatini

... the bearers had resumed their slow procession, a picturesque frieze of tattered, indigo-robed, ebony figures, baskets on heads, against a cloudless cobalt sky, and again the hot air was invaded with the monotonous rise and fall ...
— The Fortieth Door • Mary Hastings Bradley

... driven unwillingly to be gay by a fiery soil and a fiery sun. To the left, there was the high, dark wall of an a-a stream; further yet, a tremendous volcanic fissure, at times the bed of a fiery river, and above this the towering dome of Mauna Loa, a brilliant cobalt blue, lined and shaded with indigo where innumerable lava streams had seamed his portentous sides: his whole beauty the effect of atmosphere, on an object in itself hideous. Ahead and to the right were rolling miles of a pahoehoe sea, ...
— The Hawaiian Archipelago • Isabella L. Bird

... 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, ...
— Roumania Past and Present • James Samuelson

... 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 ...
— The Mountains • Stewart Edward White

... Pink and gold tinted the cone-shaped peaks, the sky brightened from the color of steel to a clear cobalt, and all at once the world lay before us in the cool morning air, which the sun was soon to warm to a vapid heat. As we gathered at the summit of the cliff over which Blodgett nearly had let us into eternity, we could see below, flying in and out, birds of the variety, ...
— The Mutineers • Charles Boardman Hawes

... Chromium. Arsenic. Lithium. Manganese. Vanadium? Sodium. Iron. Phosphorus. Potassium. Nickel. Sulphur. Magnesium. Cobalt. Oxygen. Calcium. Copper. Silicon. Aluminum. Tin. ...
— Scientific American Supplement, Vol. XXI., No. 531, March 6, 1886 • Various

... take five minutes, for the crayfish were swarming in the creek. A bag was filled with the crustaceae, whose shells were of a cobalt blue. The ...
— The Mysterious Island • Jules Verne

... Burat ("Gologie Appliqe," 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 Land of Midian, Vol. 1 • Richard Burton

... copper bowl foil of rice and fried onions, is upset in the foreground. Malays, Lascars, Hindus, Chinese, Japanese, Burmans—the whole gamut of racetints, from saffron to tar-black—are twisting and writhing round it, while their vermilion, cobalt, amber, and emerald turbans and head-cloths are lying underfoot. Pressed against the yellow ochre of the iron bulwarks to left and right are frightened women and children in turquoise and isabella-coloured clothes. They are half protected ...
— Letters of Travel (1892-1913) • Rudyard Kipling

... a rush and caught Trot by both shoulders. The Princess was twice the little girl's size, and she shook her victim so violently that Trot's teeth rattled together. Then Princess Cobalt came up and slapped one side of the slave's face, and Princess Turquoise ran forward and slapped the other side. Cerulia gave Trot a push one way, and Sapphire pushed her the other way, so the little ...
— Sky Island - Being the further exciting adventures of Trot and Cap'n - Bill after their visit to the sea fairies • L. Frank Baum

... will have often seen on some bright summer's day that the most beautiful effects are those in which the distance is almost of a match to the sky. Distant hills, which when viewed close to are green or brown, when seen some five or ten miles away appear of a delicate and delicious, almost of a cobalt, blue color. Now, what is the cause of this change in color? It is simply that we have a sky formed between us and the distant ranges, the mere outline of which looms through it. The shadows are softened so as almost to leave no trace, ...
— Scientific American Supplement, No. 595, May 28, 1887 • Various

... public by politicians, by newspaper penny-a-liners, and by home royal geographo-parasites at large, who base their arguments on such unsteady foundation. It is quite sufficient for some people to open an atlas and place their fingers on a surface of cobalt blue paint in order to select strategical harbours, point out roads upon which foreign armies can invade India, trade routes which ought to be adopted in preference to others, and so on, regardless of sea-depth, currents, winds, ...
— Across Coveted Lands - or a Journey from Flushing (Holland) to Calcutta Overland • Arnold Henry Savage Landor

... whole mountain-side was clothed in shades of red and brown, rising from the scarlet of the blackberry leaves to the deep amber of the bare rock, where all vegetation ceased. The distant peeps of the valley of Vasselot glowed blue and purple, the sea was a bright cobalt, and through the broken clouds the sun cast shafts of yellow gold and shimmering silver. The whole effect was dazzling, and such as dim Northern ...
— The Isle of Unrest • Henry Seton Merriman

... 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 ...
— Mary Anerley • R. D. Blackmore

... nothingness. Oh, she realized, all right, realized only too well. It was the world that hadn't realized. The world that had gone on stockpiling hydrogen bombs. The world that had put those bombs in cobalt shells, although it had promised it wouldn't, because the cobalt made them much more terrible and cost no more. The world that had started throwing those bombs, always telling itself that it hadn't thrown ...
— The Moon is Green • Fritz Reuter Leiber

... detail, show remarkable continuity by way of reoccurrence over wide areas. The estimation of the prospective value of mines where continuity of production is dependent on reoccurrence of ore-bodies somewhat proportional to the area, such as these Mississippi deposits or to some extent as in Cobalt silver veins, is an interesting study, but one that offers ...
— Principles of Mining - Valuation, Organization and Administration • Herbert C. Hoover

... a container of cobalt powder. It was in a beryllium case. There was half a pound of it. It ...
— Space Platform • Murray Leinster

... cakes of 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 ...
— The Elements of Drawing - In Three Letters to Beginners • John Ruskin

... blue" really was, soon revealed the fact that it was generally defined as the clear blue color of the sky or of the sea reflecting it, and was further described as that of the semi-precious stone lapis lazuli. Cobalt and prussian blue were also given as synonyms. With this clear definition in mind, the committee was able to fix the colors, and Michigan now has a clear deep blue and the yellow of Indian corn, with the exact ...
— The University of Michigan • Wilfred Shaw

... gone from the sky by then. They had faded as quickly as they had come. Once more, under a dome of cobalt, the river flowed black between its fringe of trees, and the prairie stretched ...
— The Plow-Woman • Eleanor Gates

... "I know. Five radioactive planets with the fresh scars of cobalt bombs and the remains of civilizations. Then radar screens erupting crazily with signals from a multi-thousand ship space fleet; vector computers hurriedly plotting and re-plotting the fast-moving trajectory, submitting each time an unvarying ...
— Alien Offer • Al Sevcik

... elements following manganese, namely, iron, nickel, and cobalt, have atomic weights near together, and are very similar chemically. They do not strongly resemble any of the elements so far considered, and are accordingly placed in a group by themselves, following manganese. A new row is begun ...
— An Elementary Study of Chemistry • William McPherson

... a landscape with mill and marshland and water, the child had chosen, and there was a large space to be occupied with the sunset at which his parent excelled, and much scraping and mixing of carmine and yellow ochre and cobalt blues. So that Franky's bed-time was here before the picture was finished. He was sent off as usual, protesting and ...
— Mrs. Day's Daughters • Mary E. Mann

... Use the best water-colours if you wish to succeed, and you will find those in pans or half pans are preferable to the dry cakes, as time is not spent in rubbing them down. These are the most useful colours:—Cobalt, French ultra, Prussian blue, carmine, or pink madder, Indian red, vermilion, light red, sepia, burnt umber, burnt sienna, Indian yellow, yellow ochre, ivory black, and Chinese white. I do not consider more than these requisite for an ordinary palette. Then you must have a firm drawing-board, ...
— Little Folks (December 1884) - A Magazine for the Young • Various

... resources: major deposits of petroleum, coal, iron ore, manganese, chrome ore, nickel, cobalt, copper, molybdenum, lead, zinc, ...
— The 1995 CIA World Factbook • United States Central Intelligence Agency

... Marathon lay far astern, blushing faintly with their scarlet tamarisk blossoms. The strange purple glow of sunset upon Hymettus had long since faded. A hush grew over the sea, now a marvelous cobalt blue. The earth, gently sleeping, manifested dreamily. Into the subconscious state passed one half of her ...
— The Centaur • Algernon Blackwood

... so happy in this beautiful bright studio, whose open casements were hung with myrtle and passion-flower, and whose silence was filled with the singing of nightingales. Cobalt, with a touch or two, became the loveliness of summer skies at morning; the Lakes and Carmines bloomed in a thousand exquisite flowers and fancies; the Chromes and Ochres (mere dull earths) were allowed to spread themselves in sheets of gold that took the shine of the sun into the darkest ...
— Bimbi • Louise de la Ramee

... Quicksilver and the white of an egg, beat together, and laid with a feather round the crevices of the bedsteads and the sacking, is very effectual in destroying bugs in them. To kill flies, when so numerous as to be troublesome, keep cobalt, wet with spirit, in a large shallow plate. The spirit will attract the flies, and the cobalt will kill them very soon. Black pepper is said to be good to destroy them—it should be mixed, so as to be very strong, with a little cream and sugar. Great care is necessary ...
— The American Housewife • Anonymous

... 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 into which inorganic bodies are chemically ...
— COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 • Alexander von Humboldt

... ore, bauxite, copper, lead, zinc, chromite, cobalt, manganese, nickel, clay, gypsum, ...
— The 2007 CIA World Factbook • United States

... sensations have made it 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



Words linked to "Cobalt" :   co, metal, smaltite, metallic element, atomic number 27



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