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A nonphosphorized, nitrogenous substance, obtained from brain and nerve tissue by extraction with boiling alcohol. It is uncertain whether it exists as such in nerve tissue, or is a product of the decomposition of some more complex substance.

A waxy substance extracted by alcohol or ether from cork; sometimes applied also to the portion of beeswax which is soluble in alcohol. Watts.

A white substance extracted from the lichen, Iceland moss (Cetraria Islandica). It consists of several ingredients, among which is cetraric acid, a white, crystalline, bitter substance.

An extract or preparation of opium, used in China and India for smoking. Balfour.

Of, pertaining to, or derived from, the celandine. Cheidonic acid, a weak acid extracted fron the celandine (Chelidonium majus), as a white crystalline substance.

A red coloring matter. extracted from the Bignonia Chica, used by some tribes of South American Indians to stain the skin.

r process of subjecting anything to the action of chlorine; especially, a process for the extraction of gold by exposure of the auriferous material to chlorine gas.

acid found as a natural constituent of taurocholic and glycocholic acids in the bile, and extracted as a resinous substance, convertible under the influence of ether into white crystals.

A yellow crystalline substance extracted from crude anthracene.

A glucoside extracted from rhubarb as a bitter, yellow, crystalline powder, and yielding chrysophanic acid on decomposition.

om, or resembling, chrysophane. Chrysophanic acid (Chem.), a yellow crystalline substance extracted from rhubarb, yellow dock, sienna, chrysarobin, etc., and shown to be a derivative of an anthracene. It is used in the treatment of skin diseases; -- called also rhein, rheic acid, rhubarbarin, etc.

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

e citron or lemon; as, citric acid. Citric acid (Chem.), an organic acid, C3H4OH.(CO2H)3, extracted from lemons, currants, gooseberies, etc., as a white crystalline substance, having a pleasant sour taste.

the pink. Gray. Claw hammer, a hammer with one end of the metallic head cleft for use in extracting nails, etc. -- Claw hammer coat, a dress coat of the swallowtail pattern. [Slang] -- Claw sickness, foot rot, a disease affecting sheep.

A powerful vegetable alkaloid, C17H19NO5, extracted from the Colchicum autumnale, or meadow saffron, as a white or yellowish amorphous powder, with a harsh, bitter taste; -- called also colchicia.

tomatic pistol with removable magazine in the handle holding seven cartridges. The recoil extracts and ejects the empty cartridge case, and reloads ready for another shot. Called also Browning, and Colt-Browning, pistol.

Pertaining to, or derived from, the columbo root. Columbic acid (Chem.), an organic acid extracted from the columbo root as a bitter, yellow, amorphous substance.

A glucoside extracted from the cambium layer of coniferous trees as a white crystalline substance.

owerful 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…

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.