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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.

Pertaining to, or designating, an acid obtained by the reduction of sulphurous acid. See Hyposulphurous acid, under Hyposulphurous.

A nitrogenous, organic base, NH2.OH, resembling ammonia, and produced by a modified reduction of nitric acid. It is usually obtained as a volatile, unstable solution in water. It acts as a strong reducing agent.

s. Hyponitrous acid (Chem.), an unstable nitrogen acid, NOH, whose salts are produced by reduction of the nitrates, although the acid itself is not isolated in the free state except as a solution in water; -- called also nitrosylic acid.

Hyposulphurous acid. (a) Thiosulphuric acid. [Obs.] (b) An acid, H2SO2, obtained by the reduction of sulphurous acid. It is not obtained in the free state, but in an orange-yellow water solution, which is a strong reducing and bleaching agent. Called also hydrosulphurous acid.

reasons; perception of the connection between ideas; that which is inferred; inference; deduction; conclusion. Fraudulent deductions or inconsequent illations from a false conception of things. Sir T. Browne.

The act of impoverishing, or the state of being impoverished; reduction to poverty. Sir W. Scott.

An incarnate form; a personification; a manifestation; a reduction to apparent from; a striking exemplification in person or act. She is a new incarnation of some of the illustrious dead. Jeffrey. The very incarnation of selfishness. F. W. Robertson.

The quality of being incompressible, or incapable of reduction in volume by pressure; -- formerly supposed to be a property of liquids. The incompressibility of water is not absolute. Rees.

nake (Zoöl.), the gopher snake. -- Indigo white, a white crystalline powder obtained by reduction from indigo blue, and by oxidation easily changed back to it; -- called also indigogen. -- Indigo yellow, a substance obtained from indigo.

ion in which proof is given by showing that any other supposition involves an absurdity (reductio ad absurdum), or an impossibility; thus, one quantity may be proved equal to another by showing that it can be neither greater nor less. -- Indirect discourse. (Gram.) See Direct discourse, under Direct. -- Indirect evid…

ce, 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.…

A dark resinous substance, polymeric with indol, and obtained by the reduction of indigo white.

To derive by deduction or by induction; to conclude or surmise from facts or premises; to accept or derive, as a consequence, conclusion, or probability; to imply; as, I inferred his determination from his silence. To infer is nothing but by virtue of one proposition laid down as true, to draw in another as true. Locke…

The act or process of inferring by deduction or induction. Though it may chance to be right in the conclusions, it is yet unjust and mistaken in the method of inference. Glanvill.

Power of acute observation and deduction; penetration; discernment; perception. Quickest insight In all things that to greatest actions lead. Milton.

Knowing, or perceiving, by intuition; capable of knowing without deduction or reasoning. Whence the soul Reason receives, and reason is her being, Discursive, or intuitive. Milton.

he act of inveigling, or the state of being inveigled; that which inveigles; enticement; seduction. South.

A white crystalline substance obtained by the partial reduction of isatin. [Written also isatyde.]

the essential residue of a series of compounds, related to isatin, which easily pass by reduction to indigo blue. -- I*sat`o*gen"ic, a.