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Propenyl :: Propenyl (n.) A hypothetical hydrocarbon radical, C3H5, isomeric with allyl and glyceryl, and regarded as the essential residue of glycerin. Cf. Allyl, and Glyceryl..

Butyl :: Butyl (n.) A compound radical, regarded as butane, less one atom of hydrogen..

Formative :: Formative (a.) Serving to form; derivative; not radical; as, a termination merely formative..

Hexdecyl :: Hexdecyl (n.) The essential radical, C16H33, of hecdecane..

Phosphonium :: Phosphonium (n.) The hypothetical radical PH4, analogous to ammonium, and regarded as the nucleus of certain derivatives of phosphine..

Dibasic :: Dibasic (a.) Having two acid hydrogen atoms capable of replacement by basic atoms or radicals, in forming salts; bibasic; -- said of acids, as oxalic or sulphuric acids. Cf. Diacid, Bibasic..

Borate :: Borate (n.) A salt formed by the combination of boric acid with a base or positive radical.

Interscendent :: Interscendent (a.) Having exponents which are radical quantities; -- said of certain powers; as, xÃ2, or xÃa..

Alcohol :: Alcohol (n.) A class of compounds analogous to vinic alcohol in constitution. Chemically speaking, they are hydroxides of certain organic radicals; as, the radical ethyl forms common or ethyl alcohol (C2H5.OH); methyl forms methyl alcohol (CH3.OH) or wood spirit; amyl forms amyl alcohol (C5H11.OH) or fusel oil, etc..

Amidogen :: Amidogen (n.) A compound radical, NH2, not yet obtained in a separate state, which may be regarded as ammonia from the molecule of which one of its hydrogen atoms has been removed; -- called also the amido group, and in composition represented by the form amido..

Alkalamide :: Alkalamide (n.) One of a series of compounds that may be regarded as ammonia in which a part of the hydrogen has been replaced by basic, and another part by acid, atoms or radicals..

Glycolyl :: Glycolyl (n.) A divalent, compound radical, CO.CH2, regarded as the essential radical of glycolic acid, and a large series of related compounds..

Succise :: Succinyl (n.) A hypothetical radical characteristic of succinic acid and certain of its derivatives.

Hexad :: Hexad (n.) An atom whose valence is six, and which can be theoretically combined with, substituted for, or replaced by, six monad atoms or radicals; as, sulphur is a hexad in sulphuric acid. Also used as an adjective..

Mesityl :: Mesityl (n.) A hypothetical radical formerly supposed to exist in mesityl oxide.

Thionyl :: Thionyl (n.) The hypothetical radical SO, regarded as an essential constituent of certain sulphurous compounds; as, thionyl chloride..

Sulphophosphate :: Sulphonium (n.) A hypothetical radical, SH3, regarded as the type and nucleus of the sulphines..

Sticcado :: Stibonium (n.) The hypothetical radical SbH4, analogous to ammonium; -- called also antimonium..

Diamide :: Diamide (n.) Any compound containing two amido groups united with one or more acid or negative radicals, -- as distinguished from a diamine. Cf. Amido acid, under Amido, and Acid amide, under Amide..

Root :: Root (v. t.) To plant and fix deeply in the earth, or as in the earth; to implant firmly; hence, to make deep or radical; to establish; -- used chiefly in the participle; as, rooted trees or forests; rooted dislike..

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