Definition of radical

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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..

Lern More About Radical

Fluosilicate :: Fluosilicate (n.) A double fluoride of silicon and some other (usually basic) element or radical, regarded as a salt of fluosilicic acid; -- called also silicofluoride..
Phenyl :: Phenyl (n.) A hydrocarbon radical (C6H5) regarded as the essential residue of benzene, and the basis of an immense number of aromatic derivatives..
Dipropyl :: Dipropyl (n.) One of the hexane paraffins, found in petroleum, consisting of two propyl radicals. See Hexane..
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..
Equivalent :: Equivalent (n.) A combining unit, whether an atom, a radical, or a molecule; as, in acid salt two or more equivalents of acid unite with one or more equivalents of base..
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..
Derivable :: Derivable (a.) That can be derived; obtainable by transmission; capable of being known by inference, as from premises or data; capable of being traced, as from a radical; as, income is derivable from various sources..
Linkage :: Linkage (n.) Manner of linking or of being linked; -- said of the union of atoms or radicals in the molecule.
Arseniureted :: Arseniureted (a.) Combined with arsenic; -- said some elementary substances or radicals; as, arseniureted hydrogen..
Sulphophosphate :: Sulphonium (n.) A hypothetical radical, SH3, regarded as the type and nucleus of the sulphines..
Ceryl :: Ceryl (n.) A radical, C27H55 supposed to exist in several compounds obtained from Chinese wax, beeswax, etc..
Imido :: Imido (a.) Pertaining to, containing, or combined with, the radical NH, which is called the imido group..
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..
Diallyl :: Diallyl (n.) A volatile, pungent, liquid hydrocarbon, C6H10, consisting of two allyl radicals, and belonging to the acetylene series..
Dyad :: Dyad (n.) An element, atom, or radical having a valence or combining power of two..
Valence :: Valence (n.) The degree of combining power of an atom (or radical) as shown by the number of atoms of hydrogen (or of other monads, as chlorine, sodium, etc.) with which it will combine, or for which it can be substituted, or with which it can be compared; thus, an atom of hydrogen is a monad, and has a valence of one; the atoms of oxygen, nitrogen, and carbon are respectively dyads, triads, and tetrads, and have a valence respectively of two, three, and four..
Biacid :: Biacid (a.) Having two hydrogen atoms which can be replaced by negative atoms or radicals to form salts; -- said of bases. See Diacid.
Servile :: Servile (n.) An element which forms no part of the original root; -- opposed to radical.
Malonyl :: Malonyl (n.) A hydrocarbon radical, CH2.(CO)2, from malonic acid..
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..
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