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Vanillin :: Vanillin (n.) A white crystalline aldehyde having a burning taste and characteristic odor of vanilla. It is extracted from vanilla pods, and is also obtained by the decomposition of coniferin, and by the oxidation of eugenol..

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

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

Valeridine :: Valeridine (n.) A base, C10H19N, produced by heating valeric aldehyde with ammonia. It is probably related to the conine alkaloids..

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..

Trigenic :: Trigenic (a.) Of, pertaining to, or designating, an acid, C4H7N3O2, obtained, by the action of the vapor of cyanic acid on cold aldehyde, as a white crystalline substance having a slightly acid taste and faint smell; -- called also ethidene- / ethylidene-biuret..

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

Heterology :: Heterology (n.) The connection or relation of bodies which have partial identity of composition, but different characteristics and properties; the relation existing between derivatives of the same substance, or of the analogous members of different series; as, ethane, ethyl alcohol, acetic aldehyde, and acetic acid are in heterology with each other, though each in at the same time a member of a distinct homologous series. Cf. Homology..

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..

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

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

Oxymethylene :: Oxymethylene (n.) Formic aldehyde, regarded as a methylene derivative..

Polymerize :: Polymerize (v. i.) To change into another substance having the same atomic proportions, but a higher molecular weight; to undergo polymerization; thus, aldehyde polymerizes in forming paraldehyde..

Formyl :: Formyl (n.) A univalent radical, H.C:O, regarded as the essential residue of formic acid and aldehyde..

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

Mercaptal :: Mercaptal (n.) Any one of a series of compounds of mercaptans with aldehydes.

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

Cuminol :: Cuminol (n.) A liquid, C3H7.C6H4.CHO, obtained from oil of caraway; -- called also cuminic aldehyde..

Unsaturated :: Unsaturated (a.) Capable of taking up, or of uniting with, certain other elements or compounds, without the elimination of any side product; thus, aldehyde, ethylene, and ammonia are unsaturated..

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

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