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Calcium   /kˈælsiəm/   Listen
noun
Calcium  n.  (Chem.) An elementary substance; a metal which combined with oxygen forms lime. It is of a pale yellow color, tenacious, and malleable. It is a member of the alkaline earth group of elements. Atomic weight 40. Symbol Ca. Note: Calcium is widely and abundantly disseminated, as in its compounds calcium carbonate or limestone, calcium sulphate or gypsum, calcium fluoride or fluor spar, calcium phosphate or apatite.
Calcium light, an intense light produced by the incandescence of a stick or ball of lime in the flame of a combination of oxygen and hydrogen gases, or of oxygen and coal gas; called also Drummond light and lime light.






Collaborative International Dictionary of English 0.48








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"Calcium" Quotes from Famous Books



... barrels and sandwich men were plastered with flamboyant multi-colored show bills. The play, and nothing but the play was certainly the thing; the hapless stranger was buffetted in a maelstrom of theatrical activity. The very air reeked of calcium and ...
— The Easiest Way - A Story of Metropolitan Life • Eugene Walter and Arthur Hornblow

... sometimes used in medicine. Fformed by fusing sulphur with carbonates of the alkalies (esp. potassium), and consists essentially of alkaline sulphides. Called also hepar sulphuris. A substance resembling hepar; in homeopathy, calcium sulphide, called ...
— Mother's Remedies - Over One Thousand Tried and Tested Remedies from Mothers - of the United States and Canada • T. J. Ritter

... was formerly obtained from small steel cylinders of the highly compressed gas. This gas was made by the calcium-manganate method and represented a high degree of purity for commercial oxygen. More recently we have been using oxygen of great purity made from liquid air. Inasmuch as this oxygen is very pure and much less expensive than the chemically-prepared ...
— Respiration Calorimeters for Studying the Respiratory Exchange and Energy Transformations of Man • Francis Gano Benedict

... being the laxative antacid, magnesia; or if the case is severe and food is still in the stomach, an emetic, such as mustard or ipecac, will act more promptly. Alkalies, especially sodium salicylate, and intestinal antiseptics are useful. Calcium chloride in doses of five to twenty grains should be tried in obstinate cases. The diet should be, for the time, of ...
— Essentials of Diseases of the Skin • Henry Weightman Stelwagon

... of ash left on incinerating dry wool varies from 1 to 2 per cent., and some have considered this inorganic matter as an essential constituent. It consists principally of salts of potassium, calcium and aluminum, ...
— The Dyeing of Woollen Fabrics • Franklin Beech


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