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A compound of the binary type, in which hydrogen is united with some other element.

An oxide of a nonmetallic body or an organic radical, capable of forming an acid by uniting with the elements of water; -- so called because it may be formed from an acid by the abstraction of water.

A hydrocarbon.

as, an acidulous tincture. E. Burke. Acidulous mineral waters, such as contain carbonic anhydride.

Of or containing acryl, the hypothetical radical of which acrolein is the hydride; as, acrylic acid.

The univalent radical, CH3OC6H4, of which anisol is the hydride.

Arsenious oxide or arsenious anhydride; -- called also arsenious acid, white arsenic, and ratsbane.

lts, many of which are colored pigments, as chrome yellow, chrome red, etc. -- Chromic anhydride, a brilliant red crystalline substance, CrO3, regarded as the anhydride of chromic acid. It is one of the most powerful oxidizers known.

, which is a white crystalline substance, C9H6O2, of vanilla- like odor, regarded as an anhydride of coumaric acid, and used in flavoring. Coumarin in also made artificially.

A yellowish red, crystalline substance, C20H12O5, produced by heating together phthalic anhydride and resorcin; -- so called, from the very brilliant yellowish green fluorescence of its alkaline solutions. It has acid properties, and its salts of the alkalies are known to the trade under the name of uranin.…

A binary compound containing hydrogen; a hydride. [R.] See Hydride.

A hydride. [Obs.]

A binary compound of hydrogen; a hydride. [Obs.]

radical in a binary compound; as, oxide, sulphide, chloride. (b) A compound which is an anhydride; as, glycolide, phthalide. (c) Any one of a series of derivatives; as, indogenide, glucoside, etc.

One of a series of anhydrides of an amido type, analogous to the lactones, as oxindol.

One of a series of anhydrides resembling the lactams, but of an imido type; as, isatine is a lactim. Cf. Lactam.

A white, crystalline substance obtained as an anhydride of alanine, and regarded as an imido derivative of lactic acid.

One of a series of organic compounds, regarded as anhydrides of certain hydroxy acids. In general, they are colorless liquids, having a weak aromatic odor. They are so called because the typical lactone is derived from lactic acid.

A substance regarded as an anhydride of meconinic acid, existing in opium and extracted as a white crystalline substance. Also erroneously called meconina, meconia, etc., as though it were an alkaloid.

ully corrosive, being a strong acid, and in decomposition a strong oxidizer. -- Nitric anhydride, a white crystalline oxide of nitrogen (N2O5), called nitric pentoxide, and regarded as the anhydride of nitric acid. -- Nitric oxide, a colorless poisous gas (NO) obtained by treating nitric acid with copper. On contact…