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Cyanide   /sˈaɪənˌaɪd/  /sˈaɪnˌaɪd/   Listen
Cyanide

noun
1.
Any of a class of organic compounds containing the cyano radical -CN.  Synonyms: nitril, nitrile.
2.
An extremely poisonous salt of hydrocyanic acid.



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"Cyanide" Quotes from Famous Books



... old. I like to read YOUNG PEOPLE. The Post-office Box letters are nice. Katie R. P. says she collects insects. So does my papa. He puts lumps of cyanide of potassium, bought at the druggist's, in a bottle, and mixes plaster of Paris with water until it is like dough, and then pours it over the potassium. When it dries, the bottle is ready for use. Five cents' worth lasts a season, and is cheaper than ether, papa says, and works better. ...
— Harper's Young People, June 1, 1880 - An Illustrated Weekly • Various

... rocks. Quartz veins seldom yield very great returns, but they furnish a steady supply of the metal. The rock must be mined, hoisted to the surface, and crushed. The gold is then dissolved by quicksilver (forming an amalgam from which the quicksilver is removed by heat), by potassium cyanide ...
— Commercial Geography - A Book for High Schools, Commercial Courses, and Business Colleges • Jacques W. Redway

... been toned, i.e., colored by a deposit of gold, or if it was fixed in a thiosulphate bath in which toned prints have been fixed, then the image is dissolved by treatment in a solution of potassium cyanide in ...
— Photographic Reproduction Processes • P.C. Duchochois

... with the photographer's wife. She was tired of her husband, and together they plotted the latter's murder. After various plans had been considered and rejected, they determined on poison, and the assistant procured enough cyanide of mercury to kill a hundred photographers, and turned it over to his mistress to administer to the victim in his "Marsala." But at the last moment her hand lost its courage and she weakly sewed the poison up for future use inside the ticking of the ...
— Courts and Criminals • Arthur Train

... bananny's hangin' up in the house to onct. I knowed an old feller that died pinin' for a briled lobster with his last breath. Since I read that piece about sobbin' out my gratitude on Sprudell's broad chest it's woke a new ambition in me. Every time I gits about three fingers of 'cyanide' from the Bucket o' Blood under my belt I sees pictures of myself gittin' money enough together to go back to Bartlesville, Indianny, and lick him every day, reg'lar, or jest as often as I kin pay my fine, git washed up, and locate him agin." ...
— The Man from the Bitter Roots • Caroline Lockhart

... bath in which a number of spoons are being plated. A portion of the vat V is cut away to show the interior, which contains a solution S of the double cyanide of gold and potassium when gold is to be laid, and the double cyanide of silver and potassium when silver is to be deposited. The electrodes are hung from metal rods, the anode A being a plate of gold or silver G, as the case ...
— The Story Of Electricity • John Munro

... in that palm-tree close to us, Nat," he replied; "and now, while we are waiting, I'll put together a few boxes and the butterfly-nets and the cyanide bottle, ready for a start ...
— Nat the Naturalist - A Boy's Adventures in the Eastern Seas • G. Manville Fenn

... on which Mr. Greene assumes a partial decomposition at 350 deg. C. is the slight excess of the observed density (14.43) over that corresponding to four vols. (13.375). There is, however, a similar slight excess in the case of the vapor of ammonium cyanide, the same values being respectively 11.4 and 11; and as this compound is volatile at 100 deg. C and, at the same time, is capable to exist at a very high temperature, being formed by the union of carbon with ammonia, nobody has ever, as far as I am aware, maintained ...
— Scientific American Supplement, No. 286 - June 25, 1881 • Various

... by the use of cyanide. More than a century ago a chemist discovered that if gold was put into water containing a little cyanide, the gold would dissolve, while quartz and any metals that might be united with the gold would settle in the tank. The water in which the gold is dissolved is now run into boxes full of shavings ...
— Diggers in the Earth • Eva March Tappan

... grim as he lifted the twig and helped the beautiful creature to climb on a limb. "You'll be ready to fly in a few hours," he said. "If I keep you in a box you will ruin your wings and be no suitable subject, and put you in a cyanide jar I will not. I am hurt too badly myself. I wonder if what Doc said was the right way! It's certainly ...
— The Harvester • Gene Stratton Porter

... to the coil. The door was closed, and the interior of the box became black darkness. The first thing I found was a wooden stool, on which I resolved to sit. Then I found the shelf on the side next the tube, and then the sheet of paper prepared with barium platino-cyanide. I was thus being shown the first phenomenon which attracted the discoverer's attention and led to the discovery, namely, the passage of rays, themselves wholly invisible, whose presence was only indicated by the effect they produced on a piece of ...
— McClure's Magazine, Vol. 6, No. 5, April, 1896 • Various

... arsenic, which burns and corrodes, causing great pain, often for hours; strychnine, which acts through the nerves, producing convulsions and sometimes a fixed distortion of the features, which even the relaxation of death cannot remove; corrosive sublimate, prussic acid, cyanide of potassium—too quick and deadly. It must be a poison, if poison at all, which will bring about a sensible progression through perceptible stages of suffering, so that during this time the efficiency of physical pain may be raised by the ...
— The Ape, the Idiot & Other People • W. C. Morrow

... worked by hydraulic sluicing companies. They are no longer poor men's diggings. In Otago steam-dredges successfully search the river bottoms. In quartz-mining the capitalist has always been the organizing and controlling power. The application of cyanide and other scientific improvements has revived this branch of mining within the last four years, and, despite the bursting of the usual number of bubbles, there is good reason to suppose that the L54,000,000 which is so far ...
— The Long White Cloud • William Pember Reeves

... as by hydrocyanic acid, cyanide of potassium, inhalation of carbonic acid or coal gas, oedema of ...
— Aids to Forensic Medicine and Toxicology • W. G. Aitchison Robertson

... produced by the drugs. The plant, by its self-made records, showed exultation with alcohol, depression with chloroform, rapid transmission of a shock with the application of heat, and an abolition of the propagated impulse with the application of a deadly poison like potassium cyanide. This variation in the transmitted impulse, under physiological variations, showed that it was not a physical one. This sealed the ...
— Sir Jagadis Chunder Bose - His Life and Speeches • Sir Jagadis Chunder Bose

... him get away," he said in triumph when he had dropped the clawing insect into the cyanide bottle where death came painlessly. "It is well ...
— Tom Swift in the Land of Wonders - or, The Underground Search for the Idol of Gold • Victor Appleton

... not the most efficient, is to heat the piece to be case hardened to a red heat and then sprinkle or rub the part of the surface to be hardened with potassium ferrocyanide. This material is a deadly poison and should be handled with care. Allow the cyanide to fuse on the surface of the metal and then plunge into water, brine or mercury. Repeating the process makes the surface harder and the hard ...
— Oxy-Acetylene Welding and Cutting • Harold P. Manly

... LYTE is probably as good a judge as myself, as to where any weak point or difficulty is found in iodizing paper with the carbonate of potass: if any chemical is likely to be the cause of unusual activity, it is the carbonic acid, and not the cyanide of potash. I still continue to use that formula, and have not iodized paper with any other: though I have made some variations which may perhaps be of use. I found that the nitrate of potash is almost the same in its ...
— Notes and Queries, No. 181, April 16, 1853 • Various

... of stopping them, a little gamboge neatly applied with a camel-hair pencil. Where a great intensity is desired, Indian ink may be applied in the same manner, taking care in both cases to smooth off the edges with a dry brush. The cyanide of potassium applied in the same way, but with very great care, will remove the black spots. Before it appears to have quite accomplished its object, a negative should be immersed in water, as its ...
— Notes and Queries, Number 215, December 10, 1853 • Various

... portion of the acid, accidentally dropped, leaving a white stain on the copper dish of a balance. It is probable, that the impure acid, spoken of, had been made by passing sulphuretted hydrogen through a solution of cyanide of mercury, according to VANQUELIN'S process; and that an insufficiency of the decomposing ...
— North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 • Various

... than any man of my age and experience on the road, and yet—I'm fired." The husband sighed wearily. "I built that big pipe line in Portland; I sold those smelters in Anaconda, and the cyanide tanks for the Highland Girl. Yes, and a lot of other jobs, too. I know all about the smelter business, but that's no sign I can sell electric belts or corn salve. We're up against ...
— Laughing Bill Hyde and Other Stories • Rex Beach

... compounds of chromium, analogous to those of iron, have been prepared; thus potassium chromocyanide, K4Cr(CN)6.2H2O, is formed from potassium cyanide and chromous acetate; on exposure to air it is converted into the chromicyanide, K3Cr(CN)6, which can also be prepared by adding chromic acetate solution to boiling potassium cyanide solution. Chromic thiocyanate, Cr(SCN)3, an amorphous deliquescent mass, is formed by dissolving ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 - "Chitral" to "Cincinnati" • Various

... "The cyanide has worked," cried the doctor, "and in its last agonies the creature has turned on its creator and destroyed him. It is a shame, for Saranoff was a brilliant although perverted genius, and besides, I would have liked to have learned his method. However, I may ...
— Astounding Stories of Super-Science, December 1930 • Various

... the earth with every claw, as a centipede wounds with every poisoned foot. The white residues gleamed beneath the moon, from every smoke stack poured smoke: the dragon breathed. Then the great white cyanide tanks were like bosses on the beast; the train stopped, and the battery roared. That night, for it was a silent and windless night, I heard forty miles of batteries beating on the beach of my mind like a great sea. And men ...
— A Tramp's Notebook • Morley Roberts

... arises the caustic condition of his solution, unless it be through the decomposition of the cyanide of potassium which is sometimes added? and if such caustic condition exists, does it not cause a deposition of oxide of silver together with the iodide, thereby embrowning ...
— Notes and Queries, Number 180, April 9, 1853 • Various

... are roasted to get rid of the sulphur, arsenic, etc., which would interfere with the amalgamation or lixiviation, and then either ground to impalpable fineness in one of the many triturating pans with mercury, or treated by chlorine or potassium cyanide. ...
— Getting Gold • J. C. F. Johnson

... open mouth, and cork which you can easily put in and take out. The bottles in which druggists usually get quinine are the most convenient. It should not be so large that you cannot easily carry it in your pocket. Let the druggist put in the bottle a half ounce of cyanide of potassium; on this pour water to the depth of about three-fourths of an inch, and then sprinkle in and mix gently and evenly enough plaster of Paris to form a thick cream, which will set in a cake in the bottom of ...
— Scientific American Supplement, No. 643, April 28, 1888 • Various

... Cyanide of potassium, when left in a bottle, generates prussic or hydrocyanic acid. A leaf was exposed for 1 hr. 35 m. to the vapour thus formed; and the glands became within this time so colourless and shrunken as to be scarcely ...
— Insectivorous Plants • Charles Darwin

... P is of silver, and the solution one of cyanide of potassium and silver salts. Where nickel or silver has to be deposited on iron, the article is often given a preliminary coating of copper, as iron does not make a good junction with either of the first two metals, but ...
— How it Works • Archibald Williams

... him shake his head slowly while he spoke aloud words that they could not understand. "Cyanide," Dean Rawson was saying. "It's a cyanide of some sort—releases hydrocyanic acid gas. I could have rigged a generator, though I've forgotten about all of my chemistry—and now there isn't time." Off in ...
— Two Thousand Miles Below • Charles Willard Diffin

... prospect. If their report be favorable, an estimate is made of the cost of a five-or seven-compartment shaft, to be sunk, say, 3,500 feet. The cost of producing a year's supply of ore for the mill is then considered. The cost of the mill and the cyanide plant is also figured. The total cost is then cast up, and the company is ready to be formed for a half million to five millions of dollars, according to existing conditions. This money is paid in, and is ready to start operations. These men mine carefully, using ...
— Stories from Everybody's Magazine • 1910 issues of Everybody's Magazine

... gilding would have been wasted. Our observations respecting blowing on the glass apply equally when the protosulphate is used. That developing solution will keep. Stains may be removed from the finger by cyanide of potassium; but this must be used cautiously, ...
— Notes and Queries, Number 182, April 23, 1853 • Various

... Charles and I had a regular debate with young Granton about the rival options. Our talk was of cyanide processes, reverberatories, pennyweights, water-jackets. But it dawned upon us soon that, in spite of his red hair and his innocent manners, our friend, the Honourable David Granton, knew a thing or two. Gradually and gracefully ...
— An African Millionaire - Episodes in the Life of the Illustrious Colonel Clay • Grant Allen

... medial border appears in the print to a greater or less extent (Fig. 154). If a record is wanted to estimate the progress of treatment, the sole of the foot is painted with a 5 per cent. solution of ferro-cyanide of potassium, and the patient stands on paper painted with the liquor of the perchloride of iron diluted one-half; the print appears dark ...
— Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. • Alexander Miles

... the school curriculum. Further he was growing out of boy gawkiness into a handsome youth of an Apolline mould, when, on the morning of his eighteenth birthday, he was found dead in his bed, with a bottle of cyanide of potassium on the bed-table ...
— Mrs. Warren's Daughter - A Story of the Woman's Movement • Sir Harry Johnston



Words linked to "Cyanide" :   acrylonitrile, organic compound, propenonitrile, salt



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