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Phthalin :: Phthalin (n.) A colorless crystalline substance obtained by reduction from phthalein, into which it is easily converted by oxidation; hence, any one of the series of which phthalin proper is the type..

Indolin :: Indolin (n.) A dark resinous substance, polymeric with indol, and obtained by the reduction of indigo white..

Trance :: Trance (n.) A condition, often simulating death, in which there is a total suspension of the power of voluntary movement, with abolition of all evidences of mental activity and the reduction to a minimum of all the vital functions so that the patient lies still and apparently unconscious of surrounding objects, while the pulsation of the heart and the breathing, although still present, are almost or altogether imperceptible..

Neck :: Neck (n.) A reduction in size near the end of an object, formed by a groove around it; as, a neck forming the journal of a shaft..

Reduction :: Reduction (v. t.) The bringing of a syllogism in one of the so-called imperfect modes into a mode in the first figure.

Oxalantin :: Oxalantin (n.) A white crystalline nitrogenous substance (C6H4N4O5) obtained by the reduction of parabanic acid; -- called also leucoturic acid.

Hydrophlorone :: Hydrophlorone (n.) A white, crystalline benzene derivative, C8H10O2, obtained by the reduction of phlorone..

Dipyridil :: Dipyridil (n.) A crystalline nitrogenous base, C10H8N2, obtained by the reduction of pyridine..

Gas :: Gas (n.) An aeriform fluid; -- a term used at first by chemists as synonymous with air, but since restricted to fluids supposed to be permanently elastic, 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 or aeriform state..

Hydroquinone :: Hydroquinone (n.) A white crystalline substance, C6H4(OH)2, obtained by the reduction of quinone. It is a diacid phenol, resembling, and metameric with, pyrocatechin and resorcin. Called also dihydroxy benzene..

Indol :: Indol (n.) A white, crystalline substance, C8H7N, obtained from blue indigo, and almost all indigo derivatives, by a process of reduction. It is also formed from albuminous matter, together with skatol, by putrefaction, and by fusion with caustic potash, and is present in human excrement, as well as in the intestinal canal of some herbivora..

Scoria :: Scoria (n.) The recrement of metals in fusion, or the slag rejected after the reduction of metallic ores; dross..

Depreciation :: Depreciation (n.) The falling of value; reduction of worth.

Regimen :: Regimen (n.) a systematic course of diet, etc., pursed with a view to improving or preserving the health, or for the purpose of attaining some particular effect, as a reduction of flesh; -- sometimes used synonymously with hygiene..

Reconciliation :: Reconciliation (n.) Reduction to congruence or consistency; removal of inconsistency; harmony.

Diisatogen :: Diisatogen (n.) A red crystalline nitrogenous substance or artificial production, which by reduction passes directly to indigo..

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

Reduction :: Reduction (n.) The act or process of reducing. See Reduce, v. t., 6. and To reduce an equation, To reduce an expression, under Reduce, v. t..

Hydrosulphurous :: Hydrosulphurous (a.) Pertaining to, or designating, an acid obtained by the reduction of sulphurous acid. See Hyposulphurous acid, under Hyposulphurous..

Regulus :: Regulus (n.) The button, globule, or mass of metal, in a more or less impure state, which forms in the bottom of the crucible in smelting and reduction of ores..

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