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The act of depriving of polarity, or the result of such action; reduction to an unpolarized condition. Depolarization of light (Opt.), a change in the plane of polarization of rays, especially by a crystalline medium, such that the light which had been extinguished by the analyzer reappears as if the polarization had b…

The falling of value; reduction of worth. Burke.

series of dependent propositions as a consequence of the denial of the last; a species of reductio ad absurdum. Whately.

The act or process of digesting; reduction to order; classification; thoughtful consideration.

A red crystalline nitrogenous substance or artificial production, which by reduction passes directly to indigo.

The act of diminishing, or of making or becoming less; state of being diminished; reduction in size, quantity, or degree; -- opposed to augmentation or increase.

A white, crystalline, nitrogenous substance obtained by the reduction of isatin. It is a member of the indol series; -- hence its name.

A crystalline nitrogenous base, C10H8N2, obtained by the reduction of pyridine.

Reduction from a better to a worse state; as, disimprovement of the earth.

rally in a manna from Madagascar, and in certain plants, and produced artificially by the reduction of galactose and lactose or milk sugar.

lorless crystalline substance, C12H4N2O8 by heating an ammonium salt of mellitic acid. By reduction it is changed to a dark blue substance (euchrone), -- hence its name.

ed on a bill, note, bond, or other mercantile paper, without any addition for interest or reduction for discount. McElrath.

The act of uniting chemically with a solid substance or in a solid form; reduction to a non-volatile condition; -- said of gaseous elements.

A colorless, amorphous substance which is produced by the reduction of fluoresceïn, and from which the latter may be formed by oxidation.

tc., and produced artifically in many ways, as by the oxidation of methyl alcohol, by the reduction of carbonic acid or the destructive distillation of oxalic acid. It is the first member of the fatty acids in the paraffin series, and is homologous with acetic acid.

A substance obtained by the reduction of galleïn.

as oxygen, hydrogen, etc., in distinction from vapors, as steam, which become liquid on a reduction of temperature. In present usage, since all of the supposed permanent gases have been liquified by cold and pressure, the term has resumed nearly its original signification, and is applied to any substance in the elastic…

A white, crystalline, nitrogenous substance, obtained by the reduction of allantoïn.

Iron ore in coarse powder, prepared for reduction by the Catalan process.

ratory pigments, widely distributed in the animal kingdom, capable of ready oxidation and reduction.