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Tending to remove or separate water; eliminating water. Hydrolytic agents, such as sulphuric acid or caustic alkali. Encyc. Brit. Hydrolitic ferment (Physiol. Chem.), a ferment, enzyme, or chemical ferment, which acts only in the presence of water, and which causes the substance acted upon to take up a molecule of wate…

Same as Hydrosulphurent.

A saline compound of hydrosulphurous acid and a base. [R.]

in a low state of oxidization, usually the lowest, into the compounds indicated; as, hyposulphurous acid.

Principle; an element; -- used by the alchemists in speaking of salt, sulphur, and mercury, which they considered as the three principles of all material bodies.

A salt of hyposulphuric acid.

A salt of what was formerly called hyposulphurous acid; a thiosulphate. [Obs.]

latively higher than in compounds where the name of the element ends in -ous; as, ferric, sulphuric. It is also used in the general sense of pertaining to; as, hydric, sodic, calcic.

filled, imbued, mixed, or furnished (with something); as, to impregnate India rubber with sulphur; clothing impregnated with contagion; rock impregnated with ore.

gle of incidence to the sine of the angle of refraction. Thus the index of refraction for sulphur is 2, because, when light passes out of air into sulphur, the sine of the angle of incidence is double the sine of the angle of refraction. -- Index plate, a graduated circular plate, or one with circular rows of holes di…

ing woods, especially when on the war path. -- Indian fire, a pyrotechnic composition of sulphur, niter, and realgar, burning with a brilliant white light. -- Indian grass (Bot.), a coarse, high grass (Chrysopogon nutans), common in the southern portions of the United States; wood grass. Gray. -- Indian hemp. (Bot.)…

ng, an acid, HO.C2H4.SO3H, obtained as an oily or crystalline substance, by the action of sulphur trioxide on alcohol or ether. It is derivative of sulphuric acid.

d to denote the salts formed from those acids whose names end in -ous; as, sulphite, from sulphurous; nitrite, from nitrous acid, etc.

A nitrogenous substance, or mixture of substances, containing sulphur in a loose state of combination, and forming the chemical basis of epidermal tissues, such as horn, hair, feathers, and the like. It is an insoluble substance, and, unlike elastin, is not dissolved even by gastric or pancreatic juice. By decompositio…

ompound in which tar or asphaltum combined with animal or vegetable oils is vulcanized by sulphur, the product closely resembling rubber; -- used principally as an insulating material in telegraphy. Knight.

A peculiar amyloid substance, colored blue by iodine and sulphuric acid, occurring mainly as an abnormal infiltration into the spleen, liver, etc.

Lead mill, a leaden polishing wheel, used by lapidaries. -- Lead ocher (Min.), a massive sulphur-yellow oxide of lead. Same as Massicot. -- Lead pencil, a pencil of which the marking material is graphite (black lead). -- Lead plant (Bot.), a low leguminous plant, genus Amorpha (A. canescens), found in the Northweste…

Sulphuric ether used as an anæsthetic agent. [R.]

composition of albuminous matter by pancreatic digestion, by the action of boiling dilute sulphuric acid, and by putrefaction. It is also found as a constituent of various tissues and organs, as the spleen, pancreas, etc., and likewise in the vegetable kingdom. Chemically it is to be considered as amido-caproic acid. (…

by some oxidizing process, as by exposure to heated air, or by treatment with chloride of sulphur. In this condition it is used for many of the purposes to which India rubber has been applied.