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Iconoclast :: Iconoclast (n.) One who exposes or destroys impositions or shams; one who attacks cherished beliefs; a radical.

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..

Hexdecyl :: Hexdecyl (n.) The essential radical, C16H33, of hecdecane..

Sycock :: Sycoceryl (n.) A radical, of the aromatic series, regarded as an essential ingredient of certain compounds found in the waxy resin of an Australian species of fig..

Tolylene :: Tolylene (n.) A hydrocarbon radical, C6H4.(CH2)2, regarded as characteristic of certain toluene derivatives..

Benzyl :: Benzyl (n.) A compound radical, C6H5.CH2, related to toluene and benzoic acid; -- commonly used adjectively..

Borofluoride :: Borofluoride (n.) A double fluoride of boron and hydrogen, or some other positive element, or radical; -- called also fluoboride, and formerly fluoborate..

Bisulphate :: Bisulphate (n.) A sulphate in which but half the hydrogen of the acid is replaced by a positive element or radical, thus making the proportion of the acid to the positive or basic portion twice what it is in the normal sulphates; an acid sulphate..

Ultra- :: Ultra- (a.) A prefix from the Latin ultra beyond (see Ulterior), having in composition the signification beyond, on the other side, chiefly when joined with words expressing relations of place; as, ultramarine, ultramontane, ultramundane, ultratropical, etc. In other relations it has the sense of excessively, exceedingly, beyond what is common, natural, right, or proper; as, ultraconservative; ultrademocratic, ultradespotic, ultraliberal, ultraradical, etc..

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

Indogen :: Indogen (n.) A complex, nitrogenous radical, C8H5NO, regarded as the essential nucleus of indigo..

Triatomic :: Triatomic (a.) Having three atoms; -- said of certain elements or radicals.

Replaceable :: Replaceable (a.) Capable of being replaced (by), or of being exchanged (for); as, the hydrogen of acids is replaceable by metals or by basic radicals..

Radical :: Radical (n.) Specifically, a group of two or more atoms, not completely saturated, which are so linked that their union implies certain properties, and are conveniently regarded as playing the part of a single atom; a residue; -- called also a compound radical. Cf. Residue..

Substitutional :: Substitution (n.) The act or process of substituting an atom or radical for another atom or radical; metethesis; also, the state of being so substituted. See Metathesis..

Arseniureted :: Arseniureted (a.) Combined with arsenic; -- said some elementary substances or radicals; as, arseniureted hydrogen..

Glycolyl :: Glycolyl (n.) A divalent, compound radical, CO.CH2, regarded as the essential radical of glycolic acid, and a large series of related compounds..

Quinoyl :: Quinoyl (n.) A radical of which quinone is the hydride, analogous to phenyl..

Platinochloride :: Platinochloride (n.) A double chloride of platinum and some other metal or radical; a salt of platinochloric acid.

Methyl :: Methyl (n.) A hydrocarbon radical, CH3, not existing alone but regarded as an essential residue of methane, and appearing as a component part of many derivatives; as, methyl alcohol, methyl ether, methyl amine, etc..

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