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Helleborin :: Helleborin (n.) A poisonous glucoside found in several species of hellebore, and extracted as a white crystalline substance with a sharp tingling taste. It possesses the essential virtues of the plant; -- called also elleborin..

Asp :: Asp (n.) A small, hooded, poisonous serpent of Egypt and adjacent countries, whose bite is often fatal. It is the Naja haje. The name is also applied to other poisonous serpents, esp. to Vipera aspis of southern Europe. See Haje..

Lobelia :: Lobelia (n.) A genus of plants, including a great number of species. Lobelia inflata, or Indian tobacco, is an annual plant of North America, whose leaves contain a poisonous white viscid juice, of an acrid taste. It has often been used in medicine as an emetic, expectorant, etc. L. cardinalis is the cardinal flower, remarkable for the deep and vivid red color of its flowers..

Nicotine :: Nicotine (n.) An alkaloid which is the active principle of tobacco. It is a colorless, transparent, oily liquid, having an acrid odor, and an acrid burning taste. It is intensely poisonous..

Poisoning :: Poisoning (p. pr. & vb. n.) of Poiso.

Oxalethyline :: Oxalethyline (n.) A poisonous nitrogenous base (C6H10N2) obtained indirectly from oxamide as a thick transparent oil which has a strong narcotic odor, and a physiological action resembling that of atropine. It is probably related to pyridine..

Parsnip :: Parsnip (n.) The aromatic and edible spindle-shaped root of the cultivated form of the Pastinaca sativa, a biennial umbelliferous plant which is very poisonous in its wild state; also, the plant itself..

Avernian :: Avernian (a.) Of or pertaining to Avernus, a lake of Campania, in Italy, famous for its poisonous vapors, which ancient writers fancied were so malignant as to kill birds flying over it. It was represented by the poets to be connected with the infernal regions..

Water Dropwort :: Water dropwort () A European poisonous umbelliferous plant (Enanthe fistulosa) with large hollow stems and finely divided leaves.

Proteroglypha :: Proteroglypha (n. pl.) A suborder of serpents including those that have permanently erect grooved poison fangs, with ordinary teeth behind them in the jaws. It includes the cobras, the asps, and the sea snakes. Called also Proteroglyphia..

Theriaca :: Theriaca (n.) An ancient composition esteemed efficacious against the effects of poison; especially, a certain compound of sixty-four drugs, prepared, pulverized, and reduced by means of honey to an electuary; -- called also theriaca Andromachi, and Venice treacle..

Virus :: Virus (v. i.) Fig.: Any morbid corrupting quality in intellectual or moral conditions; something that poisons the mind or the soul; as, the virus of obscene books..

Unpoison :: Unpoison (v. t.) To remove or expel poison from.

Orvietan :: Orvietan (n.) A kind of antidote for poisons; a counter poison formerly in vogue.

Poisonable :: Poisonable (a.) Capable of being poisoned.

Amanitine :: Amanitine (n.) The poisonous principle of some fungi.

Empoison :: Empoison (n.) Poison.

Water Hemlock :: Water hemlock () A poisonous umbelliferous plant (Cicuta virosa) of Europe; also, any one of several plants of that genus..

Virus :: Virus (v. i.) Contagious or poisonous matter, as of specific ulcers, the bite of snakes, etc.; -- applied to organic poisons..

Picrotoxin :: Picrotoxin (n.) A bitter white crystalline substance found in the cocculus indicus. It is a peculiar poisonous neurotic and intoxicant, and consists of a mixture of several neutral substances..

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