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Iodine   Listen
noun
Iodine  n.  (Chem.) A nonmetallic element, of the halogen group of atomic number 53, occurring always in combination, as in the iodides. When isolated it is in the form of dark gray metallic scales, resembling plumbago, soft but brittle, and emitting a chlorinelike odor. Symbol I. Atomic weight 126.90. If heated, iodine volatilizes in beautiful violet vapors. Note: Iodine was formerly obtained from the ashes of seaweed (kelp or varec), but is now also extracted from certain natural brines. In the free state, iodine, even in very minute quantities, colors starch blue. Iodine and its compounds are largely used in medicine (as in liniments, antisyphilitics, etc.), in photography, in the preparation of aniline dyes, and as an indicator in titration.
Iodine green, an artificial green dyestuff, consisting of an iodine derivative of rosaniline; called also night green.
Iodine scarlet, a pigment of an intense scarlet color, consisting of mercuric iodide.
Iodine yellow, a brilliant yellow pigment, consisting of plumbic iodide.






Collaborative International Dictionary of English 0.48








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"Iodine" Quotes from Famous Books



... hour. The deposited metal is removed from the spiral by heating the latter gently in a test tube, when the mercury forms in characteristic globules on the upper portion of the tube. As a confirmatory and very characteristic test, a crystal of iodine is dropped into the tube, and the whole allowed to stand for a short time, when the presence of mercury is indicated by the formation of the red iodide. 0.0001 grm. of mercury in 150 c.c. of ...
— Scientific American Supplement, No. 810, July 11, 1891 • Various

... no hesitation in tackling the Montenegrin soldiers, for at least we could do no harm, considering that our whole pharmacopoeia was a little boracic, some bismuth capsules, Epsom salts, quinine, iodine, and one of the party owned a bottle of some patent unknown stuff, against fever and ...
— The Luck of Thirteen - Wanderings and Flight through Montenegro and Serbia • Jan Gordon

... serious. From all sides surges testimony to the importance of physical conditions as the basis of mental and social life. According to many, it is by the absence of a few grains of iodine from the water of drinking fountains, that the people of the Alps are turned into cretins. According to others, it is by the presence of a few grains of ergot in the bread, that the people of ...
— The Education of American Girls • Anna Callender Brackett

... pleasant on the third day that followed the gale; the sky once more took its steel-grey shade, the sharp breezes stole over gentle rollers and covered each sad-coloured bulge with fleeting ripples. That blessed breeze, so pure, so crisp, so potently shot through with magic savours of iodine and ozone, exhilarates the spirits until the most staid of men break at times into schoolboy fun. Do you imagine that religious people are dull, or dowie, as the Scotch say? Not a bit of it. They are the most cheerful ...
— A Dream of the North Sea • James Runciman

... Isper, Krems, Kamp, Goellersau and the March. Besides the Danube, only the Enns and the March are navigable rivers. Amongst the small Alpine lakes, the Erlaufsee and the Lunzer See are worth mentioning. Of its mineral springs, the best known are the sulphur springs of Baden, the iodine springs of Deutsch-Altenburg, the iron springs of Pyrawarth, and the thermal springs of Voeslau. In general the climate, which varies with the configuration of the surface, is moderate and healthy, although subject to rapid changes of temperature. Although 43.4% ...
— Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 - "Austria, Lower" to "Bacon" • Various

... least one weakness. Lord ROBERTS'S was cats. Achilles' was tendons. Mine is toothache (Biographers, please note). When my jaw annoys me I try to propitiate it with libations of whisky, brandy, iodine, horse-blister and patent panaceas I buy from sombreroed magicians in the Strand. If these fail I totter round to the dentist, ring the bell and run away. If the maid catches me before I can escape and turns me into the waiting-room ...
— Punch, or the London Charivari, Vol. 158, January 14, 1920 • Various

... rapidly disappears in sunlight. Starch with a slight trace of iodine writes a light blue, which disappears in air. It was something like that used in the Thurston letter. Then, too, silver nitrate dissolved in ammonia gradually turns black as it is acted on by light and air. Or magenta treated with a bleaching-agent ...
— The Poisoned Pen • Arthur B. Reeve

... a few reagents may be recommended for the simpler histological work. The most important of these are alcohol, glycerine, potash (a strong solution of potassium hydrate in water), iodine (either a little of the commercial tincture of iodine in water, or, better, a solution of iodine in iodide of potassium), acetic acid, and some staining fluid. (An aqueous or alcoholic solution of gentian violet or methyl violet is ...
— Elements of Structural and Systematic Botany - For High Schools and Elementary College Courses • Douglas Houghton Campbell

... on tour should carry some sort of first-aid equipment. It need not be elaborate, but should include bandages, a clean dressing (a first field dressing is the best and most compact), iodine and adhesive plaster, and some vaseline or boracic ointment. Even a scratch will go on bleeding on a cold day and be very tiresome. Accidents are miraculously few and far between in Ski-ing, considering the falls and ...
— Ski-running • Katharine Symonds Furse

... IODINE. A substance chiefly obtained from kelp or sea-weed, extensively employed in medicine and the arts. Its vapour has a beautiful ...
— The Sailor's Word-Book • William Henry Smyth

... favorable for grazing and where the rights of common were less valuable, but the occupants had better opportunities for supplementing their incomes from the land by fishing and by gathering sea-weed for kelp, from which iodine was made. There were, however, great numbers who were not supplied with new crofts, but turned away from their old homes and left to shift for themselves. Some of these, too poor to go elsewhere, built ...
— Lippincott's Magazine, August, 1885 • Various

... presently, he said in a very casual manner that his hand was hurt. And when he showed it to us, I almost screamed, for it was very badly hurt—all torn and lacerated. He had it wrapped in his handkerchief, but we made him undo it, and I bathed it and Father put iodine on, and I fixed him a sling to wear it in. The thing about it was that he didn't seem to want to tell us how it happened. Said he met a friend who invited him to ride in their car and had taken him for a long drive. And on the way home they'd had a little breakdown, and Ted had tried ...
— The Dragon's Secret • Augusta Huiell Seaman

... as hot water as you can bear, to which has been added a small quantity of vinegar and salt. Slight sprains (as of finger) may be painted with iodine. ...
— Camping For Boys • H.W. Gibson



Words linked to "Iodine" :   iodine-125, antiseptic, iodin, i, radioactive iodine excretion test, radioactive iodine uptake test, radioactive iodine test, seawater, iodine-131, halogen, brine, saltwater, element, iodinate, chemical element, atomic number 53, tincture, iodize



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