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Designating the form of silicic acid having the normal or highest number of hydroxyl groups.

That variety of xylene in which the two methyl groups are in the ortho position; a colorless, liquid, combustible hydrocarbon resembling benzene.

Singing birds; a group of the Passeres, having numerous syringeal muscles, conferring musical ability.

Intermediate in character, or on the border, between two genera, groups, families, etc., of animals or plants, and partaking somewhat of the characters of each, thus forming a connecting link; interosculant; as, the genera by which two families approximate are called osculant genera.

ting that the substance to the name of wich it is affixed is a member of the carbohydrate group; as in cellulose, sucrose, dextrose, etc.

A rare metallic element of the platinum group, found native as an alloy in platinum ore, and in iridosmine. It is a hard, infusible, bluish or grayish white metal, and the heaviest substance known. Its tetroxide is used in histological experiments to stain tissues. Symbol Os. Atomic weight 191.1. Specific gravity 22.47…

One of a series of bases containing the amido and the isonitroso groups united to the same carbon atom.

A white crystalline nitrogenous substance (C8H7NO) of the indol group, obtained by the reduction of dioxindol. It is a so-called lactam compound.

A compound containing the hydroxyl group, more properly designated by hydroxy-. See Hydroxy-. Oxy acid. See Oxyacid (below).

Hydroxybutyric; designating any one of a group of metameric acids (C3H6.OH.CO2H).

A group of hoofed mammals distinguished for the thickness of their skins, including the elephant, hippopotamus, rhinoceros, tapir, horse, and hog. It is now considered an artificial group.

Having a thick tongue; --applied to a group of lizards (Pachyglossæ), including the iguanas and agamas.

A rare metallic element of the light platinum group, found native, and also alloyed with platinum and gold. It is a silver-white metal resembling platinum, and like it permanent and untarnished in the air, but is more easily fusible. It is unique in its power of occluding hydrogen, which it does to the extent of nearly…

A group of wading birds having the toes webbed, as the avocet.

One of a group of aquatic beetles (Palpicornia) having short club-shaped antennæ, and long maxillary palpi.

unch of feathers, esp. such a bunch worn on the helmet; any military plume, or ornamental group of feathers. A panache of variegated plumes. Prescott.

raconine, etc.; also, an isomeric modification. (b) Specifically: (Organ. Chem.) That two groups or radicals substituted in the benzene nucleus are opposite, or in the respective positions 1 and 4; 2 and 5; or 3 and 6, as paraxylene; paroxybenzoic acid. Cf. Ortho-, and Meta-. Also used adjectively.

One of a group of curves defined by the equation y = axn where n is a positive whole number or a positive fraction. For the cubical parabola n = 3; for the semicubical parabola n = Cubical, and Semicubical. The parabolas have infinite branches, but no rectilineal asymptotes.

An albuminous body in blood serum, belonging to the group of globulins. See Fibrinoplastin.

An artificial group formerly made for parasitic insects, as lice, ticks, mites, etc.