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Magnesium   /mægnˈiziəm/   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



... present in a gaseous condition in the burning flames of the sun. Down to the present time the examination of the sun's atmosphere has shown the existence therein of thirty-six known elements. These include sodium, potassium, calcium, magnesium, iron, copper, cobalt, silver, lead, tin, zinc, titanium, aluminium, chromium, silicon, carbon, hydrogen ...
— Notable Events of the Nineteenth Century - Great Deeds of Men and Nations and the Progress of the World • Various

... it inflames, the combustion being rendered very beautiful by the fumes of boric and phosphoric anhydrides and the violet vapors of iodine. Heated in contact with sulphureted hydrogen, it forms sulphides of boron and phosphorus and hydriodic acid, without liberation of iodine. Metallic magnesium when slightly warmed reacts with it with incandescence. When thrown into vapor of mercury, boron phospho-di-iodide ...
— Scientific American Supplement, No. 841, February 13, 1892 • Various

... cells surrounding the cavern in which the old fellow had sat reading from a roll of manuscript; but the cells were absolutely empty. I suggested taking flashlight photographs and fingerprint impressions of the doors and walls. But nobody had any magnesium, and the policemen said the doors might have been scrubbed in any case, so what was the use. And the priest with the lantern sneered, and the others laughed with him, so that King and I were made to ...
— Caves of Terror • Talbot Mundy

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

... of the Black Forest—sometimes the Rhine far off, on its Rhine plain, like a bit of magnesium ribbon. But not to-day. To-day only trees, and leaves, and vegetable presences. Huge straight fir-trees, and big beech-trees sending rivers of roots into the ground. And cuckoos, like noise falling in drops ...
— Fantasia of the Unconscious • D. H. Lawrence


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