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...

Ecboline :: Ecboline (n.) An alkaloid constituting the active principle of ergot; -- so named from its power of producing abortion.

Tropeine :: Tropeine (n.) Any one of a series of artificial ethereal salts derived from the alkaloidal base tropine.

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..

Pilocarpine :: Pilocarpine (n.) An alkaloid extracted from jaborandi (Pilocarpus pennatifolius) as a white amorphous or crystalline substance which has a peculiar effect on the vasomotor system.

Alkaloidal :: Alkaloidal (a.) Pertaining to, resembling, or containing, alkali..

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

Verine :: Verine (n.) An alkaloid obtained as a yellow amorphous substance by the decomposition of veratrine.

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

Curarine :: Curarine (n.) A deadly alkaloid extracted from the curare poison and from the Strychnos toxifera. It is obtained in crystalline colorless salts.

Laburnine :: Laburnine (n.) A poisonous alkaloid found in the unripe seeds of the laburnum.

Peptotoxine :: Peptotoxine (n.) A toxic alkaloid found occasionally associated with the peptones formed from fibrin by pepsinhydrochloric acid.

Erythrophleine :: Erythrophleine (n.) A white crystalline alkaloid, extracted from sassy bark (Erythrophleum Guineense)..

Cocaine :: Cocaine (n.) A powerful alkaloid, C17H21NO4, obtained from the leaves of coca. It is a bitter, white, crystalline substance, and is remarkable for producing local insensibility to pain..

Quinidine :: Quinidine (n.) An alkaloid isomeric with, and resembling, quinine, found in certain species of cinchona, from which it is extracted as a bitter white crystalline substance; conchinine. It is used somewhat as a febrifuge..

Meconin :: Meconin (n.) A substance regarded as an anhydride of meconinic acid, existing in opium and extracted as a white crystalline substance. Also erroneously called meconina, meconia, etc., as though it were an alkaloid..

Quinoidine :: Quinoidine (n.) A brownish resinous substance obtained as a by-product in the treatment of cinchona bark. It consists of a mixture of several alkaloids.

Sparteine :: Sparteine (n.) A narcotic alkaloid extracted from the tops of the common broom (Cytisus scoparius, formerly Spartium scoparium), as a colorless oily liquid of aniline-like odor and very bitter taste..

Nonoxygenous :: Nonoxygenous (a.) Without oxygen; characterized by the absence of oxygen; as, a nonoxygenous alkaloid..

Lobeline :: Lobeline (n.) A poisonous narcotic alkaloid extracted from the leaves of Indian tobacco (Lobelia inflata) as a yellow oil, having a tobaccolike taste and odor..

Solanine :: Solanine (n.) A poisonous alkaloid glucoside extracted from the berries of common nightshade (Solanum nigrum), and of bittersweet, and from potato sprouts, as a white crystalline substance having an acrid, burning taste; -- called also solonia, and solanina..

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