Definition of radical

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

Lern More About Radical

Sloop :: Sloop (n.) A vessel having one mast and fore-and-aft rig, consisting of a boom-and-gaff mainsail, jibs, staysail, and gaff topsail. The typical sloop has a fixed bowsprit, topmast, and standing rigging, while those of a cutter are capable of being readily shifted. The sloop usually carries a centerboard, and depends for stability upon breadth of beam rather than depth of keel. The two types have rapidly approximated since 1880. One radical distinction is that a slop may carry a centerboard. See
Absinthate :: Absinthate (n.) A combination of absinthic acid with a base or positive radical.
Phthalyl :: Phthalyl (n.) The hypothetical radical of phthalic acid.
Monacid :: Monacid (a.) Having one hydrogen atom replaceable by a negative or acid atom or radical; capable of neutralizing a monobasic acid; -- said of bases, and of certain metals..
Plantain :: Plantain (n.) Any plant of the genus Plantago, but especially the P. major, a low herb with broad spreading radical leaves, and slender spikes of minute flowers. It is a native of Europe, but now found near the abode of civilized man in nearly all parts of the world..
Amine :: Amine (n.) One of a class of strongly basic substances derived from ammonia by replacement of one or more hydrogen atoms by a basic atom or radical.
Phosphonium :: Phosphonium (n.) The hypothetical radical PH4, analogous to ammonium, and regarded as the nucleus of certain derivatives of phosphine..
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..
Diallyl :: Diallyl (n.) A volatile, pungent, liquid hydrocarbon, C6H10, consisting of two allyl radicals, and belonging to the acetylene series..
Sulphinic :: Sulphine (n.) Any one of a series of basic compounds which consist essentially of sulphur united with hydrocarbon radicals. In general they are oily or crystalline deliquescent substances having a peculiar odor; as, trimethyl sulphine, (CH3)3S.OH. Cf. Sulphonium..
Sulphophosphate :: Sulphonium (n.) A hypothetical radical, SH3, regarded as the type and nucleus of the sulphines..
Diamine :: Diamine (n.) A compound containing two amido groups united with one or more basic or positive radicals, -- as contrasted with a diamide..
Quadrivalent :: Quadrivalent (a.) Having a valence of four; capable of combining with, being replaced by, or compared with, four monad atoms; tetravalent; -- said of certain atoms and radicals; thus, carbon and silicon are quadrivalent elements..
Metalorganic :: Metalorganic (a.) Pertaining to, or denoting, any one of a series of compounds of certain metallic elements with organic radicals; as, zinc methyl, sodium ethyl, etc..
Radicality :: Radicality (n.) Radicalness; relation to a root in essential nature or principle.
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..
Ultraism :: Ultraism (n.) The principles of those who advocate extreme measures, as radical reform, and the like..
Thionyl :: Thionyl (n.) The hypothetical radical SO, regarded as an essential constituent of certain sulphurous compounds; as, thionyl chloride..
Dicyanide :: Dicyanide (n.) A compound of a binary type containing two cyanogen groups or radicals; -- called also bicyanide.
Dinaphthyl :: Dinaphthyl (n.) A colorless, crystalline hydrocarbon, C20H14, obtained from naphthylene, and consisting of a doubled naphthylene radical..
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