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..

Lern More About Poison

Laburnum :: Laburnum (n.) A small leguminous tree (Cytisus Laburnum), native of the Alps. The plant is reputed to be poisonous, esp. the bark and seeds. It has handsome racemes of yellow blossoms..
Deletery :: Deletery (a.) Destructive; poisonous.
Batrachoid :: Batrachoid (a.) Froglike. Specifically: Of or pertaining to the Batrachidae, a family of marine fishes, including the toadfish. Some have poisonous dorsal spines..
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..
Virulent :: Virulent (a.) Extremely poisonous or venomous; very active in doing injury.
Diffusion :: Diffusion (n.) The act of passing by osmosis through animal membranes, as in the distribution of poisons, gases, etc., through the body. Unlike absorption, diffusion may go on after death, that is, after the blood ceases to circulate..
Venenate :: Venenate (v. t.) To poison; to infect with poison.
Conium :: Conium (n.) The common hemlock (Conium maculatum, poison hemlock, spotted hemlock, poison parsley), a roadside weed of Europe, Asia, and America, cultivated in the United States for medicinal purpose. It is an active poison. The leaves and fruit are used in medicine..
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..
Antiar :: Antiar (n.) A Virulent poison prepared in Java from the gum resin of one species of the upas tree (Antiaris toxicaria).
Attry :: Attry (a.) Poisonous; malignant; malicious.
Bane :: Bane (n.) That which destroys life, esp. poison of a deadly quality..
Bloodflower :: Bloodflower (n.) A genus of bulbous plants, natives of Southern Africa, named Haemanthus, of the Amaryllis family. The juice of H. toxicarius is used by the Hottentots to poison their arrows..
Helleborein :: Helleborein (n.) A poisonous glucoside accompanying helleborin in several species of hellebore, and extracted as a white crystalline substance with a bittersweet taste. It has a strong action on the heart, resembling digitalin..
Sugar :: Sugar (n.) By extension, anything resembling sugar in taste or appearance; as, sugar of lead (lead acetate), a poisonous white crystalline substance having a sweet taste..
Delphinine :: Delphinine (n.) A poisonous alkaloid extracted from the stavesacre (Delphinium staphisagria), as a colorless amorphous powder..
Flybane :: Flybane (n.) A kind of catchfly of the genus Silene; also, a poisonous mushroom (Agaricus muscarius); fly agaric..
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..
Toxicomania :: Toxicomania (n.) An insane desire for intoxicating or poisonous drugs, as alcohol or opium..
Inee :: Inee (n.) An arrow poison, made from an apocynaceous plant (Strophanthus hispidus) of the Gaboon country; -- called also onaye..
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