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Perissad :: Perissad (a.) Odd; not even; -- said of elementary substances and of radicals whose valence is not divisible by two without a remainder. Contrasted with artiad.

Formyl :: Formyl (n.) Formerly, the radical methyl, CH3..

Pyridyl :: Pyridyl (n.) A hypothetical radical, C5H4N, regarded as the essential residue of pyridine, and analogous to phenyl..

Diphenyl :: Diphenyl (n.) A white crystalline substance, C6H5.C6H5, obtained by leading benzene through a heated iron tube. It consists of two benzene or phenyl radicals united..

Tolyl :: Tolyl (n.) The hydrocarbon radical, CH3.C6H4, regarded as characteristic of certain compounds of the aromatic series related to toluene; as, tolyl carbinol..

Amylate :: Amylate (n.) A compound of the radical amyl with oxygen and a positive atom or radical.

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..

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..

Sesquioxide :: Sesquioxide (n.) An oxide containing three atoms of oxygen with two atoms (or radicals) of some other substance; thus, alumina, Al2O3 is a sesquioxide..

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

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..

Dipropyl :: Dipropyl (n.) One of the hexane paraffins, found in petroleum, consisting of two propyl radicals. See Hexane..

Linkage :: Linkage (n.) Manner of linking or of being linked; -- said of the union of atoms or radicals in the molecule.

Vanillyl :: Vanillyl (n.) The hypothetical radical characteristic of vanillic alcohol.

Carboxyl :: Carboxyl (n.) The complex radical, CO.OH, regarded as the essential and characteristic constituent which all oxygen acids of carbon (as formic, acetic, benzoic acids, etc.) have in common; -- called also oxatyl..

Naphthyl :: Naphthyl (n.) A hydrocarbon radical regarded as the essential residue of naphthalene.

Alloxanate :: Alloxanate (n.) A combination of alloxanic acid and a base or base or positive radical.

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

Phosphonic :: Phosphonic (a.) Pertaining to, or designating, certain derivatives of phosphorous acid containing a hydrocarbon radical, and analogous to the sulphonic acid..

Methenyl :: Methenyl (n.) The hypothetical hydrocarbon radical CH, regarded as an essential residue of certain organic compounds..

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