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A substance which cleanses the skin, as water or soap; a medicine to cleanse wounds, ulcers, etc.

explodes with a loud report upon ignition. -- Detonating powder, any powder or solid substance, as fulminate of mercury, which when struck, explodes with violence and a loud report. -- Detonating primer, a primer exploded by a fuse; -- used to explode gun cotton in blasting operations. -- Detonating tube, a strong…

ion or sudden report made by the instantaneous decomposition or combustion of unstable substances' as, the detonation of gun cotton.

A mass of substances worn off from solid bodies by attrition, and reduced to small portions; as, diluvial detritus.

oplasm of an ovum or a cell, as distinguished from the active or true protoplasm; yolk substance; yolk.

A translucent, gummy, amorphous substance, nearly tasteless and odorless, used as a substitute for gum, for sizing, etc., and obtained from starch by the action of heat, acids, or diastase. It is of somewhat variable composition, containing several carbohydrates which change easily to their respective varieties of suga…

Pertaining to, or derived from, dextrose; as, dextronic acid. Dextronic acid, a sirupy substance obtained by the partial oxidation of various carbohydrates, as dextrose, etc.

subdivision of a language; speech characterized by local peculiarities or specific circumstances; as, the Ionic and Attic were dialects of Greece; the Yorkshire dialect; the dialect of the learned. In the midst of this Babel of dialects there suddenly appeared a standard English language. Earle. [Charles V.] could add…

The separation of different substances in solution, as crystalloids and colloids, by means of their unequal diffusion, especially through natural or artificial membranes.

a smaller concave lens, or combination of lenses, of high dispersive power, placed at a distance in the narrower part of the converging cone of rays, usually near the middle of the tube.

Any substance, as bismuth, glass, phosphorous, etc., which in a field of magnetic force is differently affected from the ordinary magnetic bodies, as iron; that is, which tends to take a position at right angles to the lines of magnetic force, and is repelled by either pole of the magnet.

The distance through the lower part of the shaft of a column, used as a standard measure for all parts of the order. See Module. Conjugate diameters. See under Conjugate.

Affording a free passage to heat; as, diathermic substances. Melloni.

An instrument for examining the thermal resistance or heat- conducting power of liquids.

A rare metallic substance usually associated with the metal cerium; -- hence its name. It was formerly supposed to be an element, but has since been found to consist of two simpler elementary substances, neodymium and praseodymium. See Neodymium, and Praseodymium.

Any substance or medium that transmits the electric force by a process different from conduction, as in the phenomena of induction; a nonconductor. separating a body electrified by induction, from the electrifying body.

arrangements, require a considerable train of parts. It is used for overcoming great resistance or producing very slow or very rapid motion. -- Differential pulley. (Mach.) (a) A portable hoisting apparatus, the same in principle as the differential windlass. (b) A hoisting pulley to which power is applied through a…

cover by digging; as, to dig in manure.(b) To entrench oneself so as to give stronger resistance; -- used of warfare. Also figuratively, esp. in the phrase to dig in one's heels.

A strong closed vessel, in which bones or other substances may be subjected, usually in water or other liquid, to a temperature above that of boiling, in order to soften them.

A substance which, when applied to a wound or ulcer, promotes suppuration. Dunglison.