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nus Carpinus (C. Americana), having a smooth gray bark and a ridged trunk, the wood being white and very hard. It is common along the banks of streams in the United States, and is also called ironwood. The English hornbeam is C. Betulus. The American is called also blue beech and water beech. Hop hornbeam. (Bot.) See u…

f a paperlike material, and the layers of comb are hung together by columns. The American white- faced hornet (V. maculata) is larger and has similar habits. Hornet fly (Zoöl.), any dipterous insect of the genus Asilus, and allied genera, of which there are numerous species. They are large and fierce flies which captur…

a name given to the former headquarters of the commander in chief of the British army, at Whitehall in London.

An enemy; esp., an American Indian in arms against the whites; -- commonly in the plural. [Colloq.] P. H. Sheridan.

the genus Cassine (C. maurocenia), having handsome foliage, with generally inconspicuous white or green flowers. Loudon. -- Hottentot's bread. (Bot.) See Elephant's foot (a), under Elephant.

A genus of small rubiaceous herbs, having tetramerous salveform blue or white flower. There are about twenty species, natives of North America. Also, a plant of this genus.

name also given to Scilla Peruviana, a Mediterranean plant, one variety of which produces white, and another blue, flowers; -- called also, from a mistake as to its origin, Hyacinth of Peru.

A derivative of urea, C3H4N2O2, obtained from allantion, as a white, crystalline substance, with a sweetish taste; -- called also glycolyl urea.

A genus of shrubby plants bearing opposite leaves and large heads of showy flowers, white, or of various colors. H. hortensis, the common garden species, is a native of China or Japan.

nd in the rootstock of the golden seal (Hydrastis Canadensis), and extracted as a bitter, white, crystalline substance. It is used as a tonic and febrifuge.

A white, crystalline, nitrogenous hydrocarbon, C9H9NO, obtained from certain derivatives of cinnamic acid and closely related to quinoline and carbostyril.

A hydrous carbonate of magnesia occurring in white, early, amorphous masses.

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.

id found with hyoscyamine (with which it is also isomeric) in henbane, and extracted as a white, amorphous, semisolid substance.

found with other alkaloids 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.…

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

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

Water or other fluid frozen or 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.

A coating or covering resembling ice, as of sugar and milk or white of egg; frosting.