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ds of osmium. It has a burning taste, and gives off a vapor, which is a powerful irritant poison, violently attacking the eyes, and emitting a strong chlorinelike odor. Formerly improperly called osmic acid.

us, abounding in grace; arduous, full of ardor; bulbous, having bulbs, bulblike; riotous, poisonous, piteous, joyous, etc.

g, or on the surface of it; as, a dog leaps over a stream or a table. Certain lakes . . . poison birds which fly over them. Bacon.

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.

otash on sawdust, as a white crystalline substance, which has a strong acid taste, and is poisonous in large doses. It is used in dyeing, calico printing, bleaching flax and straw, the preparation of formic acid, and in salts of lemon for removing ink stains, mold, etc.

A poisonous bulbous plant (Buphane toxicaria) of the Cape of Good Hope.

the cultivated form of the Pastinaca sativa, a biennial umbelliferous plant which is very poisonous in its wild state; also, the plant itself. Cow parsnip. See Cow parsnip. -- Meadow parsnip, the European cow parsnip. -- Poison parsnip, the wild stock of the parsnip. -- Water parsnip, any plant of the umbelliferous…

Food; nourishment. [Obs.] Toads and frogs his pasture poisonous. Spenser.

A medicine or drug; also, a poison. Dunglison.

A poisonous nonmetallic element of the nitrogen group, obtained as a white, or yellowish, translucent waxy substance, having a characteristic disagreeable smell. It is very active chemically, must be preserved under water, and unites with oxygen even at ordinary temperatures, giving a faint glow, -- whence its name. It…

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.

s treacle (Bot.), garlic; -- so called because it was thought to be an antidote to animal poison. [Eng] Dr. Prior. -- Poor man's weatherglass (Bot.), the red-flowered pimpernel (Anagallis arvensis), which opens its blossoms only in fair weather. -- Poor rate, an assessment or tax, as in an English parish, for the rel…

To try artifices or stratagems. He will practice against thee by poison. Shak.

Ready; quick; immediate in effect; as, presentaneous poison. [Obs.] Harvey.

ch, and smell, or otherwise affect the living organism, as in the manner of medicines and poisons.

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.

s kinds of albuminous matter, and closely related to the vegetable alkaloids; a cadaveric poison. The ptomaines, as a class, have their origin in dead matter, by which they are to be distinguished from the leucomaines.

into and out of the lungs, as of a person who has been asphyxiated by drowning, breathing poisonous gases, or the like, or of one who has been stunned by an electrical shock.

l (Med.), the pupil of the eye when so contracted (as it sometimes is in typhus, or opium poisoning) as to resemble a pin hole. Dunglison.

A form of blood poisoning produced by the absorption into the blood of morbid matters usually originating in a wound or local inflammation. It is characterized by the development of multiple abscesses throughout the body, and is attended with irregularly recurring chills, fever, profuse sweating, and exhaustion.…