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Vinyl :: Vinyl (n.) 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..

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

Equivalent :: Equivalent (n.) A combining unit, whether an atom, a radical, or a molecule; as, in acid salt two or more equivalents of acid unite with one or more equivalents of base..

Naphthide :: Naphthide (n.) A compound of naphthalene or its radical with a metallic element; as, mercuric naphthide..

Conjugate :: Conjugate (a.) Containing two or more radicals supposed to act the part of a single one.

Carbonyl :: Carbonyl (n.) The radical (CO)'', occuring, always combined, in many compounds, as the aldehydes, the ketones, urea, carbonyl chloride, etc..

Azo- :: Azo- () Now especially applied to compounds containing a two atom nitrogen group uniting two hydrocarbon radicals, as in azobenzene, azobenzoic, etc. These compounds furnish many artificial dyes. See Diazo-..

Diallyl :: Diallyl (n.) A volatile, pungent, liquid hydrocarbon, C6H10, consisting of two allyl radicals, and belonging to the acetylene series..

#NAME? :: -ide () A suffix used to denote: (a) The nonmetallic, or negative, element or 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..

Alloxanate :: Alloxanate (n.) A combination of alloxanic acid and a base or base or positive radical.

Xenyl :: Xenyl (n.) The radical characteristic of xenylic compounds.

Uranyl :: Uranyl (n.) The radical UO2, conveniently regarded as a residue of many uranium compounds..

Nitrosyl :: Nitrosyl (n.) the radical NO, called also the nitroso group. The term is sometimes loosely used to designate certain nitro compounds; as, nitrosyl sulphuric acid. Used also adjectively..

Primitive :: Primitive (a.) Original; primary; radical; not derived; as, primitive verb in grammar..

Fundamentally :: Fundamentally (adv.) Primarily; originally; essentially; radically; at the foundation; in origin or constituents.

Diacid :: Diacid (a.) Divalent; -- said of a base or radical as capable of saturating two acid monad radicals or a dibasic acid. Cf. Dibasic, a., and Biacid..

Ternary :: Ternary (a.) Containing, or consisting of, three different parts, as elements, atoms, groups, or radicals, which are regarded as having different functions or relations in the molecule; thus, sodic hydroxide, NaOH, is a ternary compound..

Radical :: Radical (a.) Hence: Of or pertaining to the root or origin; reaching to the center, to the foundation, to the ultimate sources, to the principles, or the like; original; fundamental; thorough-going; unsparing; extreme; as, radical evils; radical reform; a radical party..

Conjugate :: Conjugate (a.) Agreeing in derivation and radical signification; -- said of words.

Quinoxyl :: Quinoxyl (n.) The hypothetical radical of certain quinone derivatives related to rhodizonic acid.

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