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

complex nitrogenous substance C3N3H5O3 obtained from alloxan (or when urea is fused with ethyl oxamate), as a stable white crystalline powder; -- called also oxaluramide.

Ethyl oxamate, obtained as a white scaly crystalline powder.

A white crystalline neutral substance (C2O2(NH2)2) obtained by treating ethyl oxalate with ammonia. It is the acid amide of oxalic acid. Formerly called also oxalamide.

xygen with an atom or radical, or a compound which is regarded as binary; as, iron oxide, ethyl oxide, nitrogen oxide, etc.

flame. Coal gas (producing the oxygas light), or the vapor of ether (oxyether light) or methylated spirit (oxyspirit light), may be substituted for hydrogen.

The ethyl ether of phenol, obtained as an aromatic liquid, C6H5.O.C2H5.

mmonia, and coal-tar naphtha, as colorless mobile liquids of strong odor; -- called also methyl pyridine.

A crystalline substance, (C2H4NH)2, formed by action of ammonia on ethylene bromide, by reduction of pyrazine, etc. It is a strong base, and is used as a remedy for gout.

The unsymmetrical hypothetical hydrocarbon radical, CH3.CH2.CH, analogous to ethylidene, and regarded as the type of certain derivatives of propane; -- called also propylidene.

A colorless gaseous hydrocarbon (C3H6) of the ethylene series, having a garlic odor. It occurs in coal gas, and is produced artificially in various ways. Called also propene.

ly impure. "The inhabitants were pure-impure pagans." Fuller. -- Pure blue. (Chem.) See Methylene blue, under Methylene. -- Pure chemistry. See under Chemistry. -- Pure mathematics, that portion of mathematics which treats of the principles of the science, or contradistinction to applied mathematics, which treats of…

oduct of aldehyde and aniline, and regarded as a derivative of quinoline; -- called also methyl quinoline. [Written also chinaldine.]

ss, C20H16O3, which forms weak salts with bases, and stable ones with acids. Called also methyl aurin, and, formerly, corallin.

the decomposition of fats and other ethereal salts by alkalies; as, the saponification of ethyl acetate.

y similar process, as that which ethereal salts undergo in decomposition; as, to saponify ethyl acetate.

e decomposition of creatin (one of the constituents of muscle tissue). Chemically, it is methyl glycocoll.

A binary compound of selenium, or a compound regarded as binary; as, ethyl selenide.

putrefaction of albuminous matter. It is also found in reduced indigo. Chemically it is methyl indol, C9H9N.

drocarbon, C14H12, produced artificially in large, fine crystals; -- called also diphenyl ethylene, toluylene, etc.