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alf times as heavy as air, of an intensely disagreeable suffocating odor, and exceedingly poisonous. It is abundant in nature, the most important compound being common salt. It is powerful oxidizing, bleaching, and disinfecting agent. Symbol Cl. Atomic weight, 35.4. Chlorine family, the elements fluorine, chlorine, bro…

uently epidemic in the more filthy sections of other lands, to which the germ or specific poison may have been carried. It is characterized by diarrhea, rice- water evacuations, vomiting, cramps, pinched expression, and lividity, rapidly passing into a state of collapse, followed by death, or by a stage of reaction of…

ed for decoration in winter. -- Christmas flower, Christmas rose, the black hellebore, a poisonous plant of the buttercup family, which in Southern Europe often produces beautiful roselike flowers midwinter. -- Christmas tree, a small evergreen tree, set up indoors, to be decorated with bonbons, presents, etc., and i…

a genus of poisonous umbelliferous plants, of which the water hemlock or cowbane is best known.

The active principle of the water hemlock (Cicuta) extracted as a poisonous gummy substance.

To produce cinchonism in; to poison with quinine or with cinchona.

A commercial name of a crude arsenic used as fly poison. Cobalt bloom. Same as Erythrite. -- Cobalt blue, a dark blue pigment consisting of some salt of cobalt, as the phosphate, ignited with alumina; -- called also cobalt ultramarine, and Thenard's blue. -- Cobalt crust, earthy arseniate of cobalt. -- Cobalt glance…

The fruit or berry of the Anamirta Cocculus, a climbing plant of the East Indies. It is a poisonous narcotic and stimulant.

pent whose breath and look were said to be fatal. See Basilisk. That bare vowel, I, shall poison more Than the death-darting eye of cockatrice. Shak.

orm of intestinal colic, associated with obstinate constipation, produced by chronic lead poisoning. -- Renal colic, the severe pain produced by the passage of a calculus from the kidney through the ureter. -- Wind colic. See Intestinal colic, above.

A vegetable alkaloid found with conine in the poison hemlock (Conium maculatum). It is a white crystalline substance, C8H17NO, easily convertible into conine.

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 al…

A genus of biennial, poisonous, white-flowered, umbelliferous plants, bearing ribbed fruit ("seeds") and decompound leaves.

Venom; poison. [Obs.] "I'll touch my point with this contagion." Shak.

Conveying or generating disease; pestilential; poisonous; as, contagious air.

A white, crystalline, poisonous substance, regarded as a glucoside, extracted from the lily of the valley (Convallaria Majalis). Its taste is first bitter, then sweet.

A poisonous American serpent (Ancistrodon conotortrix), closely allied to the rattlesnake, but without rattles; -- called also copper-belly, and red viper.

, crystalline substance, easily soluble, and of an acrid, burning taste. It is a virulent poison, a powerful antiseptic, and an exellent antisyphilitic; called also mercuric bichloride. It is to be carefully distinguished from calomel, the mild chloride of mercury.

of vegetable origin, allied to curare, and used by the natives of New Granada as an arrow poison.

A poisonous alkaloid extracted from corroval, and characterized by its immediate action in paralyzing the heart.