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Allyl :: Allyl (n.) An organic radical, C3H5, existing especially in oils of garlic and mustard..

Antimonite :: Antimonite (n.) A compound of antimonious acid and a base or basic radical.

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..

Pentabasic :: Pentabasic (a.) Capable of uniting with five molecules of a monacid base; having five acid hydrogen atoms capable of substitution by a basic radical; -- said of certain acids.

Sesqui- :: Sesqui- () A combining form (also used adjectively) denoting that three atoms or equivalents of the substance to the name of which it is prefixed are combined with two of some other element or radical; as, sesquibromide, sesquicarbonate, sesquichloride, sesquioxide..

Paronymous :: Paronymous (a.) Having the same derivation; allied radically; conjugate; -- said of certain words, as man, mankind, manhood, etc..

Pentad :: Pentad (n.) Any element, atom, or radical, having a valence of five, or which can be combined with, substituted for, or compared with, five atoms of hydrogen or other monad; as, nitrogen is a pentad in the ammonium compounds..

Metathesis :: Metathesis (n.) The act, process, or result of exchange, substitution, or replacement of atoms and radicals; thus, by metathesis an acid gives up all or part of its hydrogen, takes on an equivalent amount of a metal or base, and forms a salt..

Radicality :: Radicality (n.) Radicalness; relation to a root in essential nature or principle.

Radical :: Radical (n.) Specifically, a group of two or more atoms, not completely saturated, which are so linked that their union implies certain properties, and are conveniently regarded as playing the part of a single atom; a residue; -- called also a compound radical. Cf. Residue..

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

Diamine :: Diamine (n.) A compound containing two amido groups united with one or more basic or positive radicals, -- as contrasted with a diamide..

#NAME? :: -yl () A suffix used as a characteristic termination of chemical radicals; as in ethyl, carbonyl, hydroxyl, etc..

Formyl :: Formyl (n.) A univalent radical, H.C:O, regarded as the essential residue of formic acid and aldehyde..

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..

Pentavalent :: Pentavalent (a.) Having a valence of five; -- said of certain atoms and radicals.

Thienyl :: Thienyl (n.) The hypothetical radical C4H3S, regarded as the essential residue of thiophene and certain of its derivatives..

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

Derivative :: Derivative (a.) Obtained by derivation; derived; not radical, original, or fundamental; originating, deduced, or formed from something else; secondary; as, a derivative conveyance; a derivative word..

Nonyl :: Nonyl (n.) The hydrocarbon radical, C9H19, derived from nonane and forming many compounds. Used also adjectively; as, nonyl alcohol..

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