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Virulent :: Virulent (a.) Extremely poisonous or venomous; very active in doing injury.

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..

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..

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..

Poisonous :: Poisonous (a.) Having the qualities or effects of poison; venomous; baneful; corrupting; noxious.

Dogbane :: Dogbane (n.) A small genus of perennial herbaceous plants, with poisonous milky juice, bearing slender pods pods in pairs..

Taint :: Taint (v. t.) To imbue or impregnate with something extraneous, especially with something odious, noxious, or poisonous; hence, to corrupt; to infect; to poison; as, putrid substance taint the air..

Taxine :: Taxine (n.) A poisonous alkaloid of bitter taste extracted from the leaves and seeds of the European yew (Taxus baccata). Called also taxia.

Hellebore :: Hellebore (n.) Any plant of several species of the poisonous liliaceous genus Veratrum, especially V. album and V. viride, both called white hellebore..

Hyoscyamus :: Hyoscyamus (n.) A genus of poisonous plants of the Nightshade family; henbane.

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..

Moccasin :: Moccasin (n.) A poisonous snake of the Southern United States. The water moccasin (Ancistrodon piscivorus) is usually found in or near water. Above, it is olive brown, barred with black; beneath, it is brownish yellow, mottled with darker. The upland moccasin is Ancistrodon atrofuscus. They resemble rattlesnakes, but are without rattles..

Aconite :: Aconite (n.) The herb wolfsbane, or monkshood; -- applied to any plant of the genus Aconitum (tribe Hellebore), all the species of which are poisonous..

Venenose :: Venenose (a.) Poisonous.

Mephitical :: Mephitical (a.) Tending to destroy life; poisonous; noxious; as, mephitic exhalations; mephitic regions..

Veratrum :: Veratrum (n.) A genus of coarse liliaceous herbs having very poisonous qualities.

Henbane :: Henbane (n.) A plant of the genus Hyoscyamus (H. niger). All parts of the plant are poisonous, and the leaves are used for the same purposes as belladonna. It is poisonous to domestic fowls; whence the name. Called also, stinking nightshade, from the fetid odor of the plant. See Hyoscyamus..

Echidnine :: Echidnine (n.) The clear, viscid fluid secreted by the poison glands of certain serpents; also, a nitrogenous base contained in this, and supposed to be the active poisonous principle of the virus..

Mushroom :: Mushroom (n.) Any large fungus, especially one of the genus Agaricus; a toadstool. Several species are edible; but many are very poisonous..

Virulency :: Virulency (n.) The quality or state of being virulent or venomous; poisonousness; malignancy.

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