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Ethylidene :: Ethylidene () An unsymmetrical, divalent, hydrocarbon radical, C2H4 metameric with ethylene but written thus, CH3.CH to distinguish it from the symmetrical ethylene, CH2.CH2. Its compounds are derived from aldehyde. Formerly called also ethidene..

Benzoin :: Benzoin (n.) A white crystalline substance, C14H12O2, obtained from benzoic aldehyde and some other sources..

Acetaldehyde :: Acetaldehyde (n.) Acetic aldehyde. See Aldehyde.

Aldehyde :: Aldehyde (n.) A colorless, mobile, and very volatile liquid obtained from alcohol by certain processes of oxidation..

Polymerize :: Polymerize (v. t.) To cause polymerization of; to produce polymers from; to increase the molecular weight of, without changing the atomic proportions; thus, certain acids polymerize aldehyde..

Paraconine :: Paraconine (n.) A base resembling and isomeric with conine, and obtained as a colorless liquid from butyric aldehyde and ammonia..

Lophine :: Lophine (n.) A nitrogenous organic base obtained by the oxidation of amarine, and regarded as a derivative of benzoic aldehyde. It is obtained in long white crystalline tufts, -- whence its name..

Paraldehyde :: Paraldehyde (n.) A polymeric modification of aldehyde obtained as a white crystalline substance.

Ketone :: Ketone (n.) One of a large class of organic substances resembling the aldehydes, obtained by the distillation of certain salts of organic acids and consisting of carbonyl (CO) united with two hydrocarbon radicals. In general the ketones are colorless volatile liquids having a pungent ethereal odor..

Oxime :: Oxime (n.) One of a series of isonitroso derivatives obtained by the action of hydroxylamine on aldehydes or ketones.

Hydramide :: Hydramide (n.) One of a group of crystalline bodies produced by the action of ammonia on certain aldehydes.

Mandelic :: Mandelic (a.) Pertaining to an acid first obtained from benzoic aldehyde (oil of better almonds), as a white crystalline substance; -- called also phenyl glycolic acid..

Glucoside :: Glucoside (n.) One of a large series of amorphous or crystalline substances, occurring very widely distributed in plants, rarely in animals, and regarded as influental agents in the formation and disposition of the sugars. They are frequently of a bitter taste, but, by the action of ferments, or of dilute acids and alkalies, always break down into some characteristic substance (acid, aldehyde, alcohol, phenole, or alkaloid) and glucose (or some other sugar); hence the name. They are of the natur

Salicylal :: Salicylal (n.) A thin, fragrant, colorless oil, HO.C6H4.CHO, found in the flowers of meadow sweet (Spiraea), and also obtained by oxidation of salicin, saligenin, etc. It reddens on exposure. Called also salicylol, salicylic aldehyde, and formerly salicylous, / spiroylous, acid..

Alanine :: Alanine (n.) A white crystalline base, C3H7NO2, derived from aldehyde ammonia..

Piperonal :: Piperonal (n.) A white crystalline substance obtained by oxidation of piperic acid, and regarded as a complex aldehyde..

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

Furfurol :: Furfurol (n.) A colorless oily liquid, C4H3O.CHO, of a pleasant odor, obtained by the distillation of bran, sugar, etc., and regarded as an aldehyde derivative of furfuran; -- called also furfural..

Formaldehyde :: Formaldehyde (n.) A colorless, volatile liquid, H2CO, resembling acetic or ethyl aldehyde, and chemically intermediate between methyl alcohol and formic acid..

Oenanthol :: Oenanthol (n.) An oily substance obtained by the distillation of castor oil, recognized as the aldehyde of oenanthylic acid, and hence called also oenanthaldehyde..

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