Definition of radical

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Radical (n.) A primitive letter; a letter that belongs to the radix.

Lern More About Radical

Dipropyl :: Dipropyl (n.) One of the hexane paraffins, found in petroleum, consisting of two propyl radicals. See Hexane..
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..
Myricyl :: Myricyl (n.) A hypothetical radical regarded as the essential residue of myricin; -- called also melissyl.
Phosphoryl :: Phosphoryl (n.) The radical PO, regarded as the typical nucleus of certain compounds..
Ultra :: Ultra (n.) One who advocates extreme measures; an ultraist; an extremist; a radical.
Nitryl :: Nitryl (n.) A name sometimes given to the nitro group or radical.
Iconoclast :: Iconoclast (n.) One who exposes or destroys impositions or shams; one who attacks cherished beliefs; a radical.
Univalent :: Univalent (a.) Having a valence of one; capable of combining with, or of being substituted for, one atom of hydrogen; monovalent; -- said of certain atoms and radicals..
Glycolyl :: Glycolyl (n.) A divalent, compound radical, CO.CH2, regarded as the essential radical of glycolic acid, and a large series of related compounds..
Mesityl :: Mesityl (n.) A hypothetical radical formerly supposed to exist in mesityl oxide.
Nitroso- :: Nitroso- () (/ / /). (Chem.) A prefix (also used adjectively) designating the group or radical NO, called the nitroso group, or its compounds..
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..
Alcohol :: Alcohol (n.) A class of compounds analogous to vinic alcohol in constitution. Chemically speaking, they are hydroxides of certain organic radicals; as, the radical ethyl forms common or ethyl alcohol (C2H5.OH); methyl forms methyl alcohol (CH3.OH) or wood spirit; amyl forms amyl alcohol (C5H11.OH) or fusel oil, etc..
Antimonate :: Antimonate (n.) A compound of antimonic acid with a base or basic radical.
Hexatomic :: Hexatomic (a.) Having six replaceable radicals.
Butyl :: Butyl (n.) A compound radical, regarded as butane, less one atom of hydrogen..
Tetrad :: Tetrad (n.) A tetravalent or quadrivalent atom or radical; as, carbon is a tetrad..
Radical :: Radical (a.) Hence: Of or pertaining to the root or origin; reaching to the center, to the foundation, to the ultimate sources, to the principles, or the like; original; fundamental; thorough-going; unsparing; extreme; as, radical evils; radical reform; a radical party..
Dichromate :: Dichromate (n.) A salt of chromic acid containing two equivalents of the acid radical to one of the base; -- called also bichromate.
Isatogen :: Isatogen (n.) A complex nitrogenous radical, C8H4NO2, regarded as the essential residue of a series of compounds, related to isatin, which easily pass by reduction to indigo blue..
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