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...

Left :: Left (n.) Those members of a legislative assembly (as in France) who are in the opposition; the advanced republicans and extreme radicals. They have their seats at the left-hand side of the presiding officer. See Center, and Right..

Carbonyl :: Carbonyl (n.) The radical (CO)'', occuring, always combined, in many compounds, as the aldehydes, the ketones, urea, carbonyl chloride, etc..

Bicarbonate :: Bicarbonate (n.) A carbonate 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 carbonates; an acid carbonate; -- sometimes called supercarbonate..

Nonyl :: Nonyl (n.) The hydrocarbon radical, C9H19, derived from nonane and forming many compounds. Used also adjectively; as, nonyl alcohol..

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..

Lipyl :: Lipyl (n.) A hypothetical radical of glycerin.

Stythe :: Styryl (n.) A hypothetical radical found in certain derivatives of styrolene and cinnamic acid; -- called also cinnyl, or cinnamyl..

Ether :: Ether (n.) Any similar oxide of hydrocarbon radicals; as, amyl ether; valeric ether..

Radical :: 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..

Mesityl :: Mesityl (n.) A hypothetical radical formerly supposed to exist in mesityl oxide.

Met- :: Met- () That two replacing radicals, in the benzene nucleus, occupy the relative positions of 1 and 3, 2 and 4, 3 and 5, 4 and 6, 5 and 1, or 6 and 2; as, metacresol, etc. See Ortho-, and Para-..

Sloop :: Sloop (n.) A vessel having one mast and fore-and-aft rig, consisting of a boom-and-gaff mainsail, jibs, staysail, and gaff topsail. The typical sloop has a fixed bowsprit, topmast, and standing rigging, while those of a cutter are capable of being readily shifted. The sloop usually carries a centerboard, and depends for stability upon breadth of beam rather than depth of keel. The two types have rapidly approximated since 1880. One radical distinction is that a slop may carry a centerboard. See

Steatite :: Stearyl (n.) The hypothetical radical characteristic of stearic acid.

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

Vanadyl :: Vanadyl (n.) The hypothetical radical VO, regarded as a characterized residue of certain vanadium compounds..

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

Isonitroso- :: Isonitroso- () A combining from (also used adjectively), signifying: Pertaining to, or designating, the characteristic, nitrogenous radical, NOH, called the isonitroso group..

Sesqui- :: Sesqui- () A combining form (also used adjectively) denoting that three atoms or equivalents of the substance to the name of which it is prefixed are combined with two of some other element or radical; as, sesquibromide, sesquicarbonate, sesquichloride, sesquioxide..

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

Lactyl :: Lactyl (n.) An organic residue or radical derived from lactic acid.

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