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Magnesium   Listen
noun
Magnesium  n.  (Chem.) A light silver-white metallic element of atomic number 12, malleable and ductile, quite permanent in dry air but tarnishing in moist air. It burns, forming (the oxide) magnesia, with the production of a blinding light (the so-called magnesium light) which is used in signaling, in pyrotechny, or in photography where a strong actinic illuminant is required. Its compounds occur abundantly, as in dolomite, talc, meerschaum, etc. Symbol Mg. Atomic weight, 24.305. Specific gravity, 1.75.
Magnesium sulphate. (Chem.) Same as Epsom salts.






Collaborative International Dictionary of English 0.48








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"Magnesium" Quotes from Famous Books



... take up from the soil various substances that are essential to their healthy growth. Potash, phosphoric acid, nitrogen, calcium, sulphur, magnesium, and iron are needed by plants, but the first three are particularly important. If land is to yield good crops year after year, it must be fertilized, that is, there must be added chemicals containing the above-mentioned plant foods. Land becomes ...
— Ontario Teachers' Manuals: Nature Study • Ontario Ministry of Education

... is approximately 8:14—the whole valley is filled by a garish light which resembles the magnesium light used in photography, and I am conscious of a wave of heat. I jump to the window to find out the cause of this remarkable phenomenon, but I see nothing more than that brilliant yellow light. As I make for the door, ...
— The Atomic Bombings of Hiroshima and Nagasaki • United States

... chloride, 4 parts; zinc chloride, 5 parts; aluminum chloride, 4 parts; calcium chloride, 5 parts; magnesium chloride, 3 parts; and water sufficient to make 90 parts. When all is dissolved add to each gallon 10 grains of thymol and a quarter-ounce of rosemary that had been previously dissolved in six quarts ...
— Practical Mechanics for Boys • J. S. Zerbe

... resistance to repair the damage wrought by the developing worms, and the combating of complications. For the expulsion of the worms the use of carbon bisulphid in gelatin capsules, 2 to 5 grams, according to the size of the patient, for five days, followed by magnesium sulphate the sixth day, has been recommended. Owing to the difficulty and danger in the administration of carbon bisulphid in capsule, it is advisable to call in a veterinarian. Tonic treatment consists in the subcutaneous administration ...
— Special Report on Diseases of the Horse • United States Department of Agriculture

... because they likely would not have become ill had they been properly nourished. Sick fasters may be wise to take in minerals from thin vegetable broths or vitamin-like supplements in order to prevent uncomfortable deficiency states. For example calcium or magnesium deficiencies can make water fasters experience unpleasant symptoms such as hand tremors, stiff muscles, cramps in the hands, feet, and legs, and difficulty relaxing. I want to stress here that fasting itself ...
— How and When to Be Your Own Doctor • Dr. Isabelle A. Moser with Steve Solomon

... ore, coal, manganese, natural gas, oil, salt, sulfur, graphite, titanium, magnesium, kaolin, nickel, ...
— The 2002 CIA World Factbook • US Government

... these treatments, whether in the compost pit or on the nitrification floor, the fermenting organic matter in contact with the soil is converting plant food elements into soluble plant food substances in the form of potassium, calcium and magnesium nitrates and soluble phosphates of one or another form, perhaps of the same bases and possibly others of organic type. If there is time and favorable temperature and moisture conditions for these fermentations ...
— Farmers of Forty Centuries - or, Permanent Agriculture in China, Korea and Japan • F. H. King

... streams of sweet water, although in each case near the shore of the lake. A specimen of the water, taken near the shore, was brought back to New Haven and analyzed by Dr. George S. Jamieson of the Sheffield Scientific School. He found that it contained small quantities of silica, iron phosphate, magnesium carbonate, calcium carbonate, calcium sulphate, potassium nitrate, potassium sulphate, sodium borate, sodium sulphate, and a considerable quantity of sodium chloride. Parinacochas water contains more carbonate and potassium than that of the Atlantic ...
— Inca Land - Explorations in the Highlands of Peru • Hiram Bingham

... turning the nose of the airjeep in the direction of the flames and explosions and magnesium-lights to the south and tapping his booster-button gently. The vehicle shot forward and came floating in over the scene of the fighting. The situation-map at the improvised headquarters had shown a mixture of pink and white pills in the mine-equipment ...
— Ullr Uprising • Henry Beam Piper

... furthermore safe to state at the present time that fertile soils should contain at least the following twenty elements: Nitrogen, phosphorus, potassium, calcium, magnesium, sulphur, hydrogen, carbon, oxygen, iron, sodium, chlorine, aluminum, silicon, manganese, copper, zinc, ...
— Northern Nut Growers Association Report of the Proceedings at the Thirty-Seventh Annual Report • Various

... put any courage of mine in that direction to the blush, he was all for meditating on the state and nature of man, his chemical components—chlorine, sulphuric acid, phosphoric acid, potassium, sodium, calcium, magnesium, oxygen—and speculating as to which particular chemicals in combination gave the strange metallic blues, greens, yellows and browns to the decaying flesh! He had a great stomach for life. The fact that insects were at work ...
— Twelve Men • Theodore Dreiser

... smaller diameter rests on the bottom. A large tube, with an aperture in its bottom, is supported in the centre and is charged with copper sulphate crystals. The cup is filled with a dilute solution of Epsom salts (magnesium sulphate) ...
— The Standard Electrical Dictionary - A Popular Dictionary of Words and Terms Used in the Practice - of Electrical Engineering • T. O'Conor Slone

... swift and full of detail like a flash of magnesium light into the niches of a dark memorial hall, Captain Whalley contemplated things once important, the efforts of small men, the growth of a great place, but now robbed of all consequence by the greatness of accomplished facts, by hopes greater still; and they gave ...
— End of the Tether • Joseph Conrad

... opinion and disputed classes, and be content with these clear stages. We begin with stars in which only hydrogen and helium, the lightest Of elements, can be traced; and the hydrogen is in an unfamiliar form, implying terrific temperature. In the next stage we find the lines of oxygen, nitrogen, magnesium, and silicon. Metals such as iron and copper come later, at first in a primitive and unusual form. Lastly we get the compounds of titanium and carbon, and the densely shaded spectra which tell of the thickly gathering vapours. The intense cold of space ...
— The Story of Evolution • Joseph McCabe

... results in disorders of various kinds said to be due to mineral deficiencies. Among these deficiencies that have been found to reduce tree growth and yield and to increase susceptibility to cold injury are (1) boron, (2) copper, (3) iron, (4) magnesium, (5) manganese, (6) nitrogen, (7) phosphorus, (8) potassium, (9) zinc, and others. In all cases the corrective treatment to be given consists in supplying the trees with the element or elements in which they are deficient. These must be supplied in an available form and by such ...
— Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting • Northern Nut Growers Association

... the moonlight, and to puncture the vast silence of the desert with their cooings and gurglings and chatterings in German, English, Arabic, and every other language known since the Tower of Babel. Arab guides lit up the Sphinx with flaring magnesium, an impertinence that should have made hideous with hate the insulted features, but instead turned them for a thrilling instant of suspense into marble. Indeed, none of our petty vulgarities could jar or even fret ...
— It Happened in Egypt • C. N. Williamson & A. M. Williamson

... Cosmo Newbery of Melbourne.] "A hydrous phosphate of magnesium occurring in orthorhombic crystals in the bat-guano of the Skipton Caves, ...
— A Dictionary of Austral English • Edward Morris

... found in potassium nitrate, potassium chlorate, sodium sulphate, or magnesium sulphate, either of which or a mixture of two or more of them, the animal will readily take in ...
— Diseases of the Horse's Foot • Harry Caulton Reeks

... pastille. On contact, the nose burns away anything it hits, goes right through corrugated iron. It carries a charge of thermit ignited by this piece of magnesium ribbon. You know what thermit will penetrate with its thousands of degrees of heat. Only the nose of this went through the netting and never touched a thing. This didn't explode anything, but another one did. Thousands of gallons ...
— The Treasure-Train • Arthur B. Reeve

... several instances of remarkable similarity of properties. Thus there is a strong resemblance between platinum and iridium; bromine and iodine; iron, manganese, and magnesium; cobalt and nickel; phosphorus and arsenic; but this resemblance consists mainly in their forming isomorphous compounds in which these elements exist in the same relative proportion. These compounds are similar, because the atoms of which they are composed are arranged in the same ...
— Familiar Letters of Chemistry • Justus Liebig

... following elements appear to be essential to all living bodies: carbon, hydrogen, oxygen, nitrogen, sulphur, potassium. Besides these there are several others usually present, but not apparently essential to all organisms. These include phosphorus, iron, calcium, sodium, magnesium, ...
— Elements of Structural and Systematic Botany - For High Schools and Elementary College Courses • Douglas Houghton Campbell

... gas-jet programme, with the royal and military portraits, was carried out to perfection; and each new wonder was hailed with immense enthusiasm by the assembled multitude. Innumerable Chinese lanterns glimmered throughout the garden, and from time to time red, white, and blue magnesium lights sent up a great blaze of color among the trees, now making the budding leaves blush crimson, now silvering them, as with hoar-frost, or illuminating their delicate tracery with an intense blue which shone out brilliantly against the nocturnal ...
— Ilka on the Hill-Top and Other Stories • Hjalmar Hjorth Boyesen

... people of Venus trying to communicate? One guess is as good as another. But it is interesting to recall that our scientists recently proposed to send a similar signal from Earth to Mars by firing a tremendous flare of magnesium. ...
— Astounding Stories of Super-Science, November, 1930 • Various

... a silver-white alloy of aluminum with from 5 to 20 per cent of magnesium, forming a metal even lighter than aluminum and strong enough to be used in making ...
— Oxy-Acetylene Welding and Cutting • Harold P. Manly

... prevents it from cutting into the skin. When weaning has to be done quickly the patient should absolutely abstain from all liquids. A large dose of any saline, Pluto, Apenta, or Hunyadi Water, or Rochelle salts, or Magnesium Citrate, should be given every morning for four or ...
— The Eugenic Marriage, Volume I. (of IV.) - A Personal Guide to the New Science of Better Living and Better Babies • W. Grant Hague, M.D.



Words linked to "Magnesium" :   dolomite, magnesium carbonate, magnesia, magnesite, magnesium nitride, magnesium bicarbonate, magnesium hydroxide, metallic element, bitter spar, metal, spinel, periclase, olivine, mg, magnesium oxide, magnesium sulfate, carnallite



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