Definition of radical

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Radical (a.) Of or pertaining to a radix or root; as, a radical quantity; a radical sign. See below..

Lern More About Radical

Heptyl :: Heptyl (n.) A compound radical, C7H15, regarded as the essential radical of heptane and a related series of compounds..
Ultra :: Ultra (n.) One who advocates extreme measures; an ultraist; an extremist; a radical.
Radicality :: Radicality (n.) Radicalness; relation to a root in essential nature or principle.
Sulphophosphate :: Sulphonium (n.) A hypothetical radical, SH3, regarded as the type and nucleus of the sulphines..
Propyl :: Propyl (n.) The hypothetical radical C3H7, regarded as the essential residue of propane and related compounds..
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..
Nonyl :: Nonyl (n.) The hydrocarbon radical, C9H19, derived from nonane and forming many compounds. Used also adjectively; as, nonyl alcohol..
Carboxyl :: Carboxyl (n.) The complex radical, CO.OH, regarded as the essential and characteristic constituent which all oxygen acids of carbon (as formic, acetic, benzoic acids, etc.) have in common; -- called also oxatyl..
Uranyl :: Uranyl (n.) The radical UO2, conveniently regarded as a residue of many uranium compounds..
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..
Conjugate :: Conjugate (n.) A complex radical supposed to act the part of a single radical.
Decylic :: Decylic (a.) Allied to, or containing, the radical decyl..
Conservative :: Conservative (n.) One who desires to maintain existing institutions and customs; also, one who holds moderate opinions in politics; -- opposed to revolutionary or radical..
Radical :: Radical (a.) Of or pertaining to the root; proceeding directly from the root.
Sulphydrate :: Sulphuryl (n.) The hypothetical radical SO2; -- called also sulphon.
Trivalent :: Trivalent (a.) Having a valence of three; capable of being combined with, substituted for, or compared with, three atoms of hydrogen; -- said of triad atoms or radicals; thus, nitrogen is trivalent in ammonia..
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.
Ditolyl :: Ditolyl (n.) A white, crystalline, aromatic hydrocarbon, C14H14, consisting of two radicals or residues of toluene..
Pentyl :: Pentyl (n.) The hypothetical radical, C5H11, of pentane and certain of its derivatives. Same as Amyl..
Oxalyl :: Oxalyl (n.) A hydrocarbon radical (C2O2) regarded as a residue of oxalic acid and occurring in derivatives of it.
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