Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of radical is as below...

Left :: Left (n.) Those members of a legislative assembly (as in France) who are in the opposition; the advanced republicans and extreme radicals. They have their seats at the left-hand side of the presiding officer. See Center, and Right..

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 (n.) A radical quantity. See under Radical, a..

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..

Regenerate :: Regenerate (v. t.) Hence, to make a radical change for the better in the character or condition of; as, to regenerate society..

Octavalent :: Octavalent (a.) Having a valence of eight; capable of being combined with, exchanged for, or compared with, eight atoms of hydrogen; -- said of certain atoms or radicals..

Polybasic :: Polybasic (a.) Capable of neutralizing, or of combining with, several molecules of a monacid base; having several hydrogen atoms capable of being replaced by basic radicals; -- said of certain acids; as, sulphuric acid is polybasic..

Halogen :: Halogen (n.) An electro-negative element or radical, which, by combination with a metal, forms a haloid salt; especially, chlorine, bromine, and iodine; sometimes, also, fluorine and cyanogen. See Chlorine family, under Chlorine..

Radical :: Radical (n.) A characteristic, essential, and fundamental constituent of any compound; hence, sometimes, an atom..

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

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

Benzoyl :: Benzoyl (n.) A compound radical, C6H5.CO; the base of benzoic acid, of the oil of bitter almonds, and of an extensive series of compounds..

Valeryl :: Valeryl (n.) The hypothetical radical C5H9O, regarded as the essential nucleus of certain valeric acid derivatives..

Substitute :: Substituent (n.) Any atom, group, or radical substituted for another, or entering a molecule in place of some other part which is removed..

Artiad :: Artiad (a.) Even; not odd; -- said of elementary substances and of radicals the valence of which is divisible by two without a remainder.

Polyacid :: Polyacid (a.) Capable of neutralizing, or of combining with, several molecules of a monobasic acid; having more than one hydrogen atom capable of being replaced by acid radicals; -- said of certain bases; as, calcium hydrate and glycerin are polyacid bases..

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..

Radical :: Radical (a.) Proceeding from a rootlike stem, or one which does not rise above the ground; as, the radical leaves of the dandelion and the sidesaddle flower..

Arseniureted :: Arseniureted (a.) Combined with arsenic; -- said some elementary substances or radicals; as, arseniureted hydrogen..

Nonacid :: Nonacid (a.) Destitute of acid properties; hence, basic; metallic; positive; -- said of certain atoms and radicals..

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