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Parvoline :: Parvoline (n.) A liquid base, C/H/N, of the pyridine group, found in coal tar; also, any one of the series of isometric substances of which it is the type..

Bisilicate :: Bisilicate (n.) A salt of metasilicic acid; -- so called because the ratio of the oxygen of the silica to the oxygen of the base is as two to one. The bisilicates include many of the most common and important minerals.

Vaginula :: Vaginula (n.) A little sheath, as that about the base of the pedicel of most mosses..

Pyrrol :: Pyrrol (n.) A nitrogenous base found in coal tar, bone oil, and other distillates of organic substances, and also produced synthetically as a colorless liquid, C4H5N, having on odor like that of chloroform. It is the nucleus and origin of a large number of derivatives. So called because it colors a splinter of wood moistened with hydrochloric acid a deep red..

Abject :: Abject (a.) To cast off or down; hence, to abase; to degrade; to lower; to debase..

York Use :: York use () The one of the three printed uses of England which was followed in the north. It was based on the Sarum use. See Use, n., 6..

Sheath :: Sheath (n.) The base of a leaf when sheathing or investing a stem or branch, as in grasses..

Pentalpha :: Pentalpha (n.) A five-pointed star, resembling five alphas joined at their bases; -- used as a symbol..

Viridine :: Viridine (n.) A greenish, oily, nitrogenous hydrocarbon, C12H19N7, obtained from coal tar, and probably consisting of a mixture of several metameric compounds which are higher derivatives of the base pyridine..

Cylindroid :: Cylindroid (n.) A solid body resembling a right cylinder, but having the bases or ends elliptical..

Tumbler :: Tumbler (n.) A drinking glass, without a foot or stem; -- so called because originally it had a pointed or convex base, and could not be set down with any liquor in it, thus compelling the drinker to finish his measure..

Cumidine :: Cumidine (n.) A strong, liquid, organic base, C3H7.C6H4.NH2, homologous with aniline..

Diamond :: Diamond (n.) The infield; the square space, 90 feet on a side, having the bases at its angles..

Thionaphthene :: Thionaphthene (n.) A double benzene and thiophene nucleus, C8H6S, analogous to naphthalene, and like it the base of a large series of derivatives..

Two-parted :: Two-parted (a.) Divided from the border to the base into two distinct parts; bipartite.

Picoline :: Picoline (n.) Any one of three isometric bases (C6H7N) related to pyridine, and obtained from bone oil, acrolein ammonia, and coal-tar naphtha, as colorless mobile liquids of strong odor; -- called also methyl pyridine..

Alloy :: Alloy (v. t.) A baser metal mixed with a finer.

Acid :: Acid (n.) One of a class of compounds, generally but not always distinguished by their sour taste, solubility in water, and reddening of vegetable blue or violet colors. They are also characterized by the power of destroying the distinctive properties of alkalies or bases, combining with them to form salts, at the same time losing their own peculiar properties. They all contain hydrogen, united with a more negative element or radical, either alone, or more generally with oxygen, and take their n

Pyramid :: Pyramid (n.) A solid body standing on a triangular, square, or polygonal base, and terminating in a point at the top; especially, a structure or edifice of this shape..

Protosalt :: Protosalt (n.) A salt derived from a protoxide base.

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