Definition of poison

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Poison (n.) Any agent which, when introduced into the animal organism, is capable of producing a morbid, noxious, or deadly effect upon it; as, morphine is a deadly poison; the poison of pestilential diseases..

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Inee :: Inee (n.) An arrow poison, made from an apocynaceous plant (Strophanthus hispidus) of the Gaboon country; -- called also onaye..
Upas :: Upas (n.) A tree (Antiaris toxicaria) of the Breadfruit family, common in the forests of Java and the neighboring islands. Its secretions are poisonous, and it has been fabulously reported that the atmosphere about it is deleterious. Called also bohun upas..
Narcotic :: Narcotic (n.) A drug which, in medicinal doses, generally allays morbid susceptibility, relieves pain, and produces sleep; but which, in poisonous doses, produces stupor, coma, or convulsions, and, when given in sufficient quantity, causes death. The best examples are opium (with morphine), belladonna (with atropine), and conium..
Strychnos :: Strychnine (n.) A very poisonous alkaloid resembling brucine, obtained from various species of plants, especially from species of Loganiaceae, as from the seeds of the St. Ignatius bean (Strychnos Ignatia) and from nux vomica. It is obtained as a white crystalline substance, having a very bitter acrid taste, and is employed in medicine (chiefly in the form of the sulphate) as a powerful neurotic stimulant. Called also strychnia, and formerly strychnina..
Poisonsome :: Poisonsome (a.) Poisonous.[Obs.] Holland.
Water Dropwort :: Water dropwort () A European poisonous umbelliferous plant (Enanthe fistulosa) with large hollow stems and finely divided leaves.
Intoxicate :: Intoxicate (v. t.) To poison; to drug.
Jararaca :: "Jararaca (n.) A poisonous serpent of Brazil (Bothrops jararaca), about eighteen inches long, and of a dusky, brownish color, variegated with red and black spots..
Campion :: Campion (n.) A plant of the Pink family (Cucubalus bacciferus), bearing berries regarded as poisonous..
Alexiterical :: Alexiterical (a.) Resisting poison; obviating the effects of venom; alexipharmic.
Atter :: Atter (n.) Poison; venom; corrupt matter from a sore.
Bittersweet :: Bittersweet (n.) A climbing shrub, with oval coral-red berries (Solanum dulcamara); woody nightshade. The whole plant is poisonous, and has a taste at first sweetish and then bitter. The branches are the officinal dulcamara..
Toxicology :: Toxicology (n.) The science which treats of poisons, their effects, antidotes, and recognition; also, a discourse or treatise on the science..
Wolfsbane :: Wolfsbane (n.) A poisonous plant (Aconitum Lycoctonum), a kind of monkshood; also, by extension, any plant or species of the genus Aconitum. See Aconite..
Tox/mia :: Tox/mia (a.) Blood poisoning. See under Blood.
Sassy Bark :: Sassy bark () The bark of a West African leguminous tree (Erythrophlaeum Guineense, used by the natives as an ordeal poison, and also medicinally; -- called also mancona bark..
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..
Delphinine :: Delphinine (n.) A poisonous alkaloid extracted from the stavesacre (Delphinium staphisagria), as a colorless amorphous powder..
Narcotine :: Narcotine (n.) An alkaloid found in opium, and extracted as a white crystalline substance, tasteless and less poisonous than morphine; -- called also narcotia..
Mephitical :: Mephitical (a.) Tending to destroy life; poisonous; noxious; as, mephitic exhalations; mephitic regions..
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