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The theory founded on the influence which the humors were supposed to have in the production of disease; Galenism. Dunglison.

rdens where they are so often operated upon, under circumstances most favorable to the production of hybrids. J. D. Hooker.

Any one of a series of nitrogenous bases, resembling the amines and produced by the reduction of certain nitroso and diazo compounds; as, methyl hydrazine, phenyl hydrazine, etc. They are derivatives of hydrazine proper, H2N.NH2, which is a doubled amido group, recently (1887) isolated as a stable, colorless gas, with…

combining form of hydrogen, indicating hydrogen as an ingredient, as hydrochloric; or a reduction product obtained by hydrogen, as hydroquinone.

pertaining to hydrometallurgy; involving the use of liquid reagents in the treatment or reduction of ores. -- Hy`dro*met`al*lur"gic*al*ly, adv.

A white, crystalline benzene derivative, C8H10O2, obtained by the reduction of phlorone.

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.

The production of artificial membranes by contact of two fluids, as albumin and fat, by which the globules of the latter are surrounded by a thin film of the former.

Relating to the production of hypnotic sleep; as, the so-called hypnogenic pressure points, pressure upon which is said to cause an attack of hypnotic sleep. De Watteville.

. 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.

oring ice. -- Ice machine (Physics), a machine for making ice artificially, as by the production of a low temperature through the sudden expansion of a gas or vapor, or the rapid evaporation of a volatile liquid. -- Ice master. See Ice pilot (below). -- Ice pack, an irregular mass of broken and drifting ice. -- Ice…

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.

ention; a result of carelessness; an oversight, mistake, or fault from negligence. The productions of a great genius, with many lapses an inadvertencies, are infinitely preferable to works of an inferior kind of author which are scrupulously exact. Addison.

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.

To multiply by the production of young; to be fertile, fruitful, or prolific. Fishes are more numerous of increasing than beasts or birds, as appears by their numerous spawn. Sir M. Hale.