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Conine :: Conine (n.) A powerful and very poisonous vegetable alkaloid found in the hemlock (Conium maculatum) and extracted as a colorless oil, C8H17N, of strong repulsive odor and acrid taste. It is regarded as a derivative of piperidine and likewise of one of the collidines. It occasions a gradual paralysis of the motor nerves. Called also coniine, coneine, conia, etc. See Conium, 2..

Asarabacca :: Asarabacca (n.) An acrid herbaceous plant (Asarum Europaeum), the leaves and roots of which are emetic and cathartic. It is principally used in cephalic snuffs..

Manchineel :: Manchineel (n.) A euphorbiaceous tree (Hippomane Mancinella) of tropical America, having a poisonous and blistering milky juice, and poisonous acrid fruit somewhat resembling an apple..

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..

Asbolin :: Asbolin (n.) A peculiar acrid and bitter oil, obtained from wood soot..

Acridness :: Acridness (n.) The quality of being acrid or pungent; irritant bitterness; acrimony; as, the acridity of a plant, of a speech..

Hydropiper :: Hydropiper (n.) A species (Polygonum Hydropiper) of knotweed with acrid foliage; water pepper; smartweed.

Anemonic :: Anemonic (a.) An acrid, poisonous, crystallizable substance, obtained from, the anemone, or from anemonin..

Galbanum :: Galbanum (n.) A gum resin exuding from the stems of certain Asiatic umbelliferous plants, mostly species of Ferula. The Bubon Galbanum of South Africa furnishes an inferior kind of galbanum. It has an acrid, bitter taste, a strong, unpleasant smell, and is used for medical purposes, also in the arts, as in the manufacture of varnish..

Acrimonious :: Acrimonious (a.) Acrid; corrosive; as, acrimonious gall..

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..

Mordicant :: Mordicant (a.) Biting; acrid; as, the mordicant quality of a body..

Eccoriate :: Eccoriate (v. t.) To strip or wear off the skin of; to abrade; to gall; to break and remove the cuticle of, in any manner, as by rubbing, beating, or by the action of acrid substances..

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..

Mezereon :: Mezereon (n.) A small European shrub (Daphne Mezereum), whose acrid bark is used in medicine..

Chelerythrine :: Chelerythrine (n.) An alkaloidal principle obtained from the celandine, and named from the red color of its salts. It is a colorless crystalline substance, and acts as an acrid narcotic poison. It is identical with sanguinarine..

Cantharidin :: Cantharidin (n.) The active principle of the cantharis, or Spanish fly, a volatile, acrid, bitter solid, crystallizing in four-sided prisms..

Water Celery :: Water celery () A very acrid herb (Ranunculus sceleratus) growing in ditches and wet places; -- called also cursed crowfoot.

Grasshopper :: Grasshopper (n.) Any jumping, orthopterous insect, of the families Acrididae and Locustidae. The species and genera are very numerous. The former family includes the Western grasshopper or locust (Caloptenus spretus), noted for the great extent of its ravages in the region beyond the Mississippi. In the Eastern United States the red-legged (Caloptenus femurrubrum and C. atlanis) are closely related species, but their ravages are less important. They are closely related to the migratory locusts o

Toad :: Toad (n.) Any one of numerous species of batrachians belonging to the genus Bufo and allied genera, especially those of the family Bufonidae. Toads are generally terrestrial in their habits except during the breeding season, when they seek the water. Most of the species burrow beneath the earth in the daytime and come forth to feed on insects at night. Most toads have a rough, warty skin in which are glands that secrete an acrid fluid..

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