sulphur (sul'fur). 1

A non-metallic element occurring in nature both free and combined. It forms yellow transparent rhombic crystals, insoluble in water, and only slightly soluble in alcohol or ether, but very soluble in carbon disulphid, in benzene, in petroleum, and in oil of turpentine. Atomic weight, 32. Symbol, S. It is a laxative; also used in diseases of the skin, confectio sulphur is, electuarium sulphur is. A preparation made by rubbing together sublimed s., acid pota ium tartrate in powder, syrup, tincture of orange peel, and powdered tragacanth [Br. Ph.]. flowers of s. Sublimed s. obtained in the form of light powdery flakes, precipitated s. S. obtained as a whitish amorphous powder, devoid of taste and odor, by precipitation of a solution of s. in milk of lime with hydrochloric acid [U. S. Ph., Br. Ph.]. sublimed s. S. obtained by sublimation in the form of a light microcrystalline powder [U. S. Ph.]. s. depuratum. Washed s. s. dioxid. Sulphurous oxid, sulphurous an hydrid; a colorle gas, SO2, of suffocating and irritating odor, formed by the combustion of sulphur and by the action of certain metals on sulphuric acid. It may be condensed into a liquid and has also been obtained in the solid form. In the presence of moisture it acts as a powerful bleaching and disinfecting agent, s. iodidum. A substance or mixture, composed of 20 per cent, of s. and 80 per cent, of iodin [U. S. Ph.]. s. lotum. Washed s. s. sublimatum. Of the U. S. Ph., sublimed s. unguentum sulphur is. S. ointment, containing 15 per cent, washed s. [U. S. Ph.] or 10 per cent, sublimed s. [Br. Ph.] with benzoin a ted lard, unguentum sulphur is alkalinum. Helmerich's Ointment; it consists of washed s. and pota ium carbonate rubbed up with water and mixed with benzoin a ted lard [N. F.]. unguentum sulphur is compos it us. tains s., oil Hebra's of cade, itch ointment; and soft it consoap [N. F.]. washed s. Sublimed s. freed from traces of sulphuric acid, etc., by washing with dilute ammonia water [U. S. Ph.].