• Webster's Revised Unabridged Dictionary
    • n Ketine (Chem) One of a series of organic bases obtained by the reduction of certain isonitroso compounds of the ketones. In general they are unstable oily substances having a pungent aromatic odor.
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Century Dictionary and Cyclopedia
    • n ketine The name of a class of organic compounds containing the complex They are prepared by the reduction of nitroso-ketones, closely resemble the pyridine bases in general properties, and are also called pyrazins and aldines. See aldine.
    • n ketine A colorless, crystalline, basic compound, found in commercial fusel-oil and prepared by the action of ammonia on glycerol. It crystallizes in lustrous plates or rhombohedra, melts at 15° C, and boils at 155° C. Also called 2, 5 -dimethylpyrazin, dimethyldiazin, glycoline, and dimethylaldine.
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Webster's Revised Unabridged Dictionary
See Ketone