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...

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

Radicalism :: Radicalism (n.) The quality or state of being radical; specifically, the doctrines or principles of radicals in politics or social reform..

Hexacid :: Hexacid (a.) Having six atoms or radicals capable of being replaced by acids; hexatomic; hexavalent; -- said of bases; as, mannite is a hexacid base..

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

Ditolyl :: Ditolyl (n.) A white, crystalline, aromatic hydrocarbon, C14H14, consisting of two radicals or residues of toluene..

Tetrad :: Tetrad (n.) A tetravalent or quadrivalent atom or radical; as, carbon is a tetrad..

Eradicative :: Eradicative (n.) A medicine that effects a radical cure.

Carboxide :: Carboxide (n.) A compound of carbon and oxygen, as carbonyl, with some element or radical; as, potassium carboxide..

Aurocyanide :: Aurocyanide (n.) A double cyanide of gold and some other metal or radical; -- called also cyanaurate.

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

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

Oenanthyl :: Oenanthyl (n.) A hydrocarbon radical formerly supposed to exist in oenanthic acid, now known to be identical with heptyl..

Phthalyl :: Phthalyl (n.) The hypothetical radical of phthalic acid.

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

Bromide :: Bromide (n.) A compound of bromine with a positive radical.

Fluoride :: Fluoride (n.) A binary compound of fluorine with another element or radical.

Extreme :: Extreme (a.) Radical; ultra; as, extreme opinions..

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..

Methylene :: Methylene (n.) A hydrocarbon radical, CH2, not known in the free state, but regarded as an essential residue and component of certain derivatives of methane; as, methylene bromide, CH2Br2; -- formerly called also methene..

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

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