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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 from sorbic acid when this takes up hydrogen; as, hydrosorbic acid.

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

H, 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.

An astringent inspissated juice obtained from the fruit of a plant (Cytinus hypocistis), growing from the roots of the Cistus, a small European shrub.

Pertaining to, or obtained from, the peanut, or earthnut (Arachis hypogæa). Hypogæic acid (Chem.), an acid in the oil of the earthnut, in which it exists as a glyceride, and from which it is extracted as a white, crystalline substance.

H3PO2, whose salts are produced by the action of barium hygrate on phosphorus. It may be obtained from its water solution, by exaporation and freezing, as a white crystalline substance. It is a powerful reducing agent.

in the sulphuric compounds; as, hyposulphuric acid. Hyposulphuric acid, an acid, H2S2O6, obtained by the action of manganese dioxide on sulphur dioxide, and known only in a watery solution and in its salts; -- called also dithionic acid. See Dithionic.

ate of oxidation. 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.

A transparent variety of calcite, the best of which is obtained in Iceland. It is used for the prisms of the polariscope, because of its strong double refraction. Cf. Calcite.

A bituminous substance obtained from the mercury mines of Idria, where it occurs mixed with cinnabar.

Pertaining to, or obtained from, nux vomica or St. Ignatius's bean; as, igasuric acid.

A rich, powerful, perfume, obtained from the volatile oil of the flowers of Canada odorata, an East Indian tree. [Also written ylang-ylang.]

A yellow dye obtained from the leaves of the holly.

A dark yellow, crystalline substance, obtained by the action of ammonia on isatin.

, an amicable adjustment of the suit. The actual object, however, has long been merely to obtain further time to plead, answer to the allegations of the opposite party.

To obtain a share of; to partake of. [R.] Munday.

Capable of being obtained or moved by petition. [Obs.] Bailey.

Obtained by entreaty. [Obs.] Ld. Herbert.

The act of impetrating, or obtaining by petition or entreaty. [Obs.] In way of impertation procuring the removal or allevation of our crosses. Barrow.