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A white, amorphous, tasteless substance resembling starch, soluble in water to an opalescent fluid. It is found abundantly in the liver of most animals, and in small quantity in other organs and tissues, particularly in the embryo. It is quickly changed into sugar when boiled with dilute sulphuric or hydrochloric acid,…

as by the oxidation of glycol, -- whence its name. It is a sirupy, or white crystalline, substance, HO.CH2.CO2H, has the properties both of an alcohol and an acid, and is a type of the hydroxy acids; -- called also hydroxyacetic acid.

A white, crystalline, nitrogenous substance, obtained by the reduction of allantoïn.

A white, crystalline, nitrogenous substance, produced by the action of hydroxylamine on glyoxal, and belonging to the class of oximes; also, any one of a group of substances resembling glyoxime proper, and of which it is a type. See Oxime.

ed; as, the bill went over for the session. (e) (Chem.) To be converted (into a specified substance or material); as, monoclinic sulphur goes over into orthorhombic, by standing; sucrose goes over into dextrose and levulose. -- To go through. (a) To accomplish; as, to go through a work. (b) To suffer; to endure to the…

A complex mixture of several substances extracted from Irish moss.

mmercial medium of exchange. It has a characteristic yellow color, is one of the heaviest substances known (specific gravity 19.32), is soft, and very malleable and ductile. It is quite unalterable by heat, moisture, and most corrosive agents, and therefore well suited for its use in coin and jewelry. Symbol Au (Aurum)…

A black, fibrous substance resembling horsehair, obtained from the leafstalks of two kinds of palms, Metroxylon Sagu, and Arenga saccharifera, of the Indian islands. It is used for making cordage. Called also ejoo.

A fine, filmy substance, like cobwebs, floating in the air, in calm, clear weather, especially in autumn. It is seen in stubble fields and on furze or low bushes, and is formed by small spiders.

The composite particles of any substance; that arrangement of the particles of any body which determines its comparative roughness or hardness; texture; as, marble, sugar, sandstone, etc., of fine grain. Hard box, and linden of a softer grain. Dryden.

Consisting of, or resembling, grains; as, a granular substance. Granular limestone, crystalline limestone, or marble, having a granular structure.

Full of grains; abounding with granular substances; granular.

trument or utensil with a rough, indented surface, for rubbing off small particles of any substance; as a grater for nutmegs.

To carve or cut, as letters or figures, on some hard substance; to engrave. Thou shalt take two onyx stones, and grave on them the names of the children of Israel. Ex. xxviii. 9.

The act or art of carving figures in hard substances, esp. by incision or in intaglio.

e. See Turtle. -- Green vitriol. (a) (Chem.) Sulphate of iron; a light green crystalline substance, very extensively used in the preparation of inks, dyes, mordants, etc. (b) (Min.) Same as copperas, melanterite and sulphate of iron. -- Green ware, articles of pottery molded and shaped, but not yet baked. -- Green w…

d spasmodic pain to the bowels of, as by the effects of certain purgative or indigestible substances. How inly sorrow gripes his soul. Shak.

genus Xerus, allied to Tamias. -- Ground story. Same as Ground floor (above). -- Ground substance (Anat.), the intercellular substance, or matrix, of tissues. -- Ground swell. (a) (Bot.) The plant groundsel. [Obs.] Holland. (b) A broad, deep swell or undulation of the ocean, caused by a long continued gale, and felt…

A crystalline substance (C5H5N5O) contained in guano. It is also a constituent of the liver, pancreas, and other glands in mammals.

A substance found in great abundance on some coasts or islands frequented by sea fowls, and composed chiefly of their excrement. It is rich in phosphates and ammonia, and is used as a powerful fertilizer.