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 alkaloid is as below...

Caffeine :: Caffeine (n.) A white, bitter, crystallizable substance, obtained from coffee. It is identical with the alkaloid theine from tea leaves, and with guaranine from guarana..

Alkaloid :: Alkaloid (n.) An organic base, especially one of a class of substances occurring ready formed in the tissues of plants and the bodies of animals..

Atropine :: Atropine (n.) A poisonous, white, crystallizable alkaloid, extracted from the Atropa belladonna, or deadly nightshade, and the Datura Stramonium, or thorn apple. It is remarkable for its power in dilating the pupil of the eye. Called also daturine..

Paytine :: Paytine (n.) An alkaloid obtained from a white bark resembling that of the cinchona, first brought from Payta, in Peru..

Conhydrine :: Conhydrine (n.) A vegetable alkaloid found with conine in the poison hemlock (Conium maculatum). It is a white crystalline substance, C8H17NO, easily convertible into conine..

Lupinine :: Lupinine (n.) An alkaloid found in several species of lupine (Lupinus luteus, L. albus, etc.), and extracted as a bitter crystalline substance..

Eserine :: Eserine (n.) An alkaloid found in the Calabar bean, and the seed of Physostigma venenosum; physostigmine. It is used in ophthalmic surgery for its effect in contracting the pupil..

Wrightine :: Wrightine (n.) A rare alkaloid found in the bark of an East Indian apocynaceous tree (Wrightia antidysenterica), and extracted as a bitter white crystalline substance. It was formerly used as a remedy for diarrh/a. Called also conessine, and neriine..

Violine :: Violine (n.) A pale yellow amorphous substance of alkaloidal nature and emetic properties, said to have been extracted from the root and foliage of the violet (Viola)..

Glaucine :: Glaucine (n.) An alkaloid obtained from the plant Glaucium, as a bitter, white, crystalline substance..

Lupuline :: Lupuline (n.) An alkaloid extracted from hops as a colorless volatile liquid.

Vicine :: Vicine (n.) An alkaloid ex tracted from the seeds of the vetch (Vicia sativa) as a white crystalline substance.

Juglandine :: Juglandine (n.) An alkaloid found in the leaves of the walnut (Juglans regia).

Lanthopine :: Lanthopine (n.) An alkaloid found in opium in small quantities, and extracted as a white crystalline substance..

Xanthopuccine :: Xanthopuccine (n.) One of three alkaloids found in the root of the yellow puccoon (Hydrastis Canadensis). It is a yellow crystalline substance, and resembles berberine..

Jaborine :: "Jaborine (n.) An alkaloid found in jaborandi leaves, from which it is extracted as a white amorphous substance. In its action it resembles atropine..

Dispoline :: Dispoline (n.) One of several isomeric organic bases of the quinoline series of alkaloids.

Lutidine :: Lutidine (n.) Any one of several metameric alkaloids, C5H3N.(CH3)2, of the pyridine series, obtained from bone oil as liquids, and having peculiar pungent odors. These alkaloids are also called respectively dimethyl pyridine, ethyl pyridine, etc..

Menispermine :: Menispermine (n.) An alkaloid distinct from picrotoxin and obtained from the cocculus indicus (the fruit of Anamirta Cocculus, formerly Menispermum Cocculus) as a white, crystalline, tasteless powder; -- called also menispermina..

Ptomaine :: Ptomaine (n.) One of a class of animal bases or alkaloids formed in the putrefaction of various kinds of albuminous matter, and closely related to the vegetable alkaloids; a cadaveric poison. The ptomaines, as a class, have their origin in dead matter, by which they are to be distinguished from the leucomaines..

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