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A poisonous plant (Datura Stramonium); stinkweed. See Datura, and Jamestown weed.

A very poisonous alkaloid resembling brucine, obtained from various species of plants, especially from species of Loganiaceæ, 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…

on, anything resembling sugar in taste or appearance; as, sugar of lead (lead acetate), a poisonous white crystalline substance having a sweet taste.

as a colorless deliquescent crystalline substance, having a bitter saline taste, and not poisonous.

A poisonous plant (Vincetoxicum officinale) of the Milkweed family, at one time used in medicine; -- also called white swallowwort. African swallowwort, a plant of the genus Stapelia.

ue 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.

n whirling triplets; -- so called from a popular notion of its being a remedy against the poisonous bite of the tarantula. Some derive its name from Taranto in Apulia.

-- Tartar emetic (Med. Chem.), a double tartrate of potassium and basic antimony. It is a poisonous white crystalline substance having a sweetish metallic taste, and used in medicine as a sudorific and emetic.

A poisonous alkaloid of bitter taste extracted from the leaves and seeds of the European yew (Taxus baccata). Called also taxia.C35H47NO10

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.

A poisonous alkaloid, C19H21NO3, found in opium in small quantities, having a sharp, astringent taste, and a tetanic action resembling that of strychnine.

Of or pertaining to poison; poisonous; as, toxic medicines.

A poisonous agent or drug, as opium; an intoxicant.

The quality or state of being toxic or poisonous; poisonousness.

An insane desire for intoxicating or poisonous drugs, as alcohol or opium. B. W. Richardson.

A poisonous product formed by pathogenic bacteria, as a toxic proteid or poisonous ptomaine.

A venomous two-winged African fly (Glossina morsitans) whose bite is very poisonous, and even fatal, to horses and cattle, but harmless to men. It renders extensive districts in which it abounds uninhabitable during certain seasons of the year. [Written also tzetze, and tsetze.]

uit 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.

A poisonous glucoside found accompanying urechitin, and extracted as a bitter white crystalline substance.

Poisonous; venomous. [Obs.]