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iquid hydrocarbon obtained by the decomposition of veratric acid, and constituting the dimethyl ether of pyrocatechin.

The hypothetical radical C2H3, regarded as the characteristic residue of ethylene and that related series of unsaturated hydrocarbons with which the allyl compounds are homologous.

osella), having an acid taste. See Illust. (a) of Shamrock. -- Wood spirit. (Chem.) See Methyl alcohol, under Methyl. -- Wood stamp, a carved or engraved block or stamp of wood, for impressing figures or colors on fabrics. -- Wood star (Zoöl.), any one of several species of small South American humming birds belongi…

n crude wood spirit. They are colorless, oily, inflammable liquids, C6H4.(CH3)2, being dimethyl benzenes, and are called respectively orthoxylene, metaxylene, and paraxylene. Called also xylol.

A suffix used as a characteristic termination of chemical radicals; as in ethyl, carbonyl, hydroxyl, etc.

(Chem.), a white amorphous substance, Zn(NH2)2, obtained by the action of ammonia on zinc ethyl; -- called also zinc amide. -- Zinc amyle (Chem.), a colorless, transparent liquid, composed of zinc and amyle, which, when exposed to the atmosphere, emits fumes, and absorbs oxygen with rapidity. -- Zinc blende Etym: [cf…