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A hydrate; a substance containing hydrogen and oxygen, made by combining water with an oxide, and yielding water by elimination. The hydroxides are regarded as compounds of hydroxyl, united usually with basic element or radical; as, calcium hydroxide ethyl hydroxide.

Readily absorbing and retaining moisture; as, hygrometric substances, like potash.

ith which it is also isomeric) in henbane, and extracted as a white, amorphous, semisolid substance.

lkaloids in the thorn apple and deadly nightshade. It is extracted as a white crystalline substance, with a sharp, offensive taste. Hyoscyamine is isomeric with atropine, is very poisonous, and is used as a medicine for neuralgia, like belladonna. Called also hyoscyamia, duboisine, etc.

in which it exists as a glyceride, and from which it is extracted as a white, crystalline substance.

be obtained from its water solution, by exaporation and freezing, as a white crystalline substance. It is a powerful reducing agent.

Substance; subsistence; essence; person; personality; -- used by the early theologians to denote any one of the three subdivisions of the Godhead, the Father, Son, and Holy Spirit.

To make into a distinct substance; to conceive or treat as an existing being; to hypostatize. [R.] The pressed Newtonians . . . refused to hypostasize the law of gravitation into an ether. Coleridge.

Relating to hypostasis, or substance; hence, constitutive, or elementary. The grand doctrine of the chymists, touching their three hypostatical principles. Boyle.

To make into, or regarded as, a separate and distinct substance. Looked upon both species and genera as hypostatized universals. Pop. Sci. Monthly.

A crystalline, nitrogenous substance, closely related to xanthin and uric acid, widely distributed through the animal body, but especially in muscle tissue; -- called also sarcin, sarkin.

reduced to the solid state by cold; frozen water. It is a white or transparent colorless substance, crystalline, brittle, and viscoidal. Its specific gravity (0.92, that of water at 4° C. being 1.0) being less than that of water, ice floats.

Infection of the blood with ichorous or putrid substances.

A substance from the egg yolk of osseous fishes.

A nitrogenous substance resembling vitellin, present in the egg yolk of cartilaginous fishes.

A substance from the yolk of salmon's egg.

An oily substance prepared by the dry distillation of a bituminous mineral containing fossil fishes. It is used in medicine as a remedy in some forms of skin diseases.

An idioelectric substance.

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

An alkaloid found in nux vomica, and extracted as a white crystalline substance.