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

Venomous :: Venomous (a.) Having a poison gland or glands for the secretion of venom, as certain serpents and insects..
Flybane :: Flybane (n.) A kind of catchfly of the genus Silene; also, a poisonous mushroom (Agaricus muscarius); fly agaric..
Laburnine :: Laburnine (n.) A poisonous alkaloid found in the unripe seeds of the laburnum.
Poisoner :: Poisoner (n.) One who poisons.
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..
Toxoglossa :: Toxoglossa (n.pl.) A division of marine gastropod mollusks in which the radula are converted into poison fangs. The cone shells (Conus), Pleurotoma, and Terebra, are examples. See Illust. of Cone, n., 4, Pleurotoma, and Terebra..
Antiarin :: Antiarin (n.) A poisonous principle obtained from antiar.
Smallage :: Smallage (n.) A biennial umbelliferous plant (Apium graveolens) native of the seacoats of Europe and Asia. When deprived of its acrid and even poisonous properties by cultivation, it becomes celery..
Boletus :: Boletus (n.) A genus of fungi having the under side of the pileus or cap composed of a multitude of fine separate tubes. A few are edible, and others very poisonous..
Alexiteric :: Alexiteric (n.) A preservative against contagious and infectious diseases, and the effects of poison in general..
Tetanin :: Tetanin (n.) A poisonous base (ptomaine) formed in meat broth through the agency of a peculiar microbe from the wound of a person who has died of tetanus; -- so called because it produces tetanus as one of its prominent effects.
Sepsis :: Sepsis (n.) The poisoning of the system by the introduction of putrescent material into the blood.
Conhydrine :: Conhydrine (n.) A vegetable alkaloid found with conine in the poison hemlock (Conium maculatum). It is a white crystalline substance, C8H17NO, easily convertible into conine..
Botocudos :: Botocudos (n. pl.) A Brazilian tribe of Indians, noted for their use of poisons; -- also called Aymbores..
Presentaneous :: Presentaneous (a.) Ready; quick; immediate in effect; as, presentaneous poison..
Contagious :: Contagious (a.) Conveying or generating disease; pestilential; poisonous; as, contagious air..
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..
Spider :: Spider (n.) Any one of numerous species of arachnids comprising the order Araneina. Spiders have the mandibles converted into poison fangs, or falcers. The abdomen is large and not segmented, with two or three pairs of spinnerets near the end, by means of which they spin threads of silk to form cocoons, or nests, to protect their eggs and young. Many species spin also complex webs to entrap the insects upon which they prey. The eyes are usually eight in number (rarely six), and are situated on t
Cowbane :: Cowbane (n.) A poisonous umbelliferous plant; in England, the Cicuta virosa; in the United States, the Cicuta maculata and the Archemora rigida. See Water hemlock..
Chilopoda :: Chilopoda (n. pl.) One of the orders of myriapods, including the centipeds. They have a single pair of elongated legs attached laterally to each segment; well developed jaws; and a pair of thoracic legs converted into poison fangs. They are insectivorous, very active, and some species grow to the length of a foot..
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