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retting or vexing. Care is no cure, but corrosive. Shak. Corrosive sublimate (Chem.), mercuric chloride, HgCl2; so called because obtained by sublimation, and because of its harsh irritating action on the body tissue. Usually it is in the form of a heavy, transparent, crystalline substance, easily soluble, and of an ac…

er (Primulaceæ) with the English cowslip. -- French cowslip (Bot.), bear's-ear (Primula Auricula).

alled from its tendency to form blue compounds; obtained by heating ammonium oxalate, mercuric cyanide, etc. It is obtained in combination, forming an alkaline cyanide when nitrogen or a nitrogenous compound is strongly ignited with carbon and soda or potash. It conducts itself like a member of the halogen group of ele…

A salt of cyanuric acid.

glass jar fitted with an air-tight cover, and containing some desiccating agent, as sulphuric acid or calcium chloride, above which is suspended the material to be dried, or preserved from moisture.

y basic atoms or radicals, in forming salts; bibasic; -- said of acids, as oxalic or sulphuric acids. Cf. Diacid, Bibasic.

A salt of disulphuric or pyrosulphuric acid; a pyrosulphate.

nitrogenous substances regarded as containing two molecules of urea or their radicals, as uric acid or allantoin. Cf. Ureide.

- Ear sand (Anat.), otoliths. See Otolith. -- Ear snail (Zoöl.), any snail of the genus Auricula and allied genera. -- Ear stones (Anat.), otoliths. See Otolith. -- Ear trumpet, an instrument to aid in hearing. It consists of a tube broad at the outer end, and narrowing to a slender extremity which enters the ear, t…

A species of primrose. See Auricula.

A nickname for auricular confession; shrift. [Obs.] Cartwright.

e Grenet battery. Electropoion is best prepared by mixing one gallon of concentrated sulphuric acid diluted with three gallons of water, with a solution of six pounds of potassium bichromate in two gallons of boiling water. It should be used cold.

)2O, of a characteristic aromatic odor, obtained by the distillation of alcohol with sulphuric acid, and hence called also sulphuric ether. It is powerful solvent of fats, resins, and pyroxylin, but finds its chief use as an anæsthetic. Called also ethyl oxide.ethyl ether.

rge quantity of alcohol is transformed into ether by the agency of a small amount of sulphuric, or ethyl sulphuric, acid.

r designating, an acid so called. Ethionic acid (Chem.), a liquid derivative of ethylsulphuric and sulphuric (thionic) acids, obtained by the action of sulphur trioxide on absolute alcohol.

tant ingredient of illuminating gas, and also obtained by the action of concentrated sulphuric acid in alcohol. It is an unsaturated compound and combines directly with chlorine and bromine to form oily liquids (Dutch liquid), -- hence called olefiant gas. Called also ethene, elayl, and formerly, bicarbureted hydrogen.…

e heart at the entrance of the vena cava inferior. It directs the blood towards the left auricle in the fetus, but is rudimentary and functionless in the adult.

equently, an agent employed to absorb moisture, as calcium chloride, or concentrated sulphuric acid.

for drawing lines on cloth, etc. See under Chalk. -- French cowslip (Bot.) The Primula Auricula. See Bear's-ear. -- French fake (Naut.), a mode of coiling a rope by running it backward and forward in parallel bends, so that it may run freely. -- French honeysuckle (Bot.) a plant of the genus Hedysarum (H. coronariu…

wder (Chem.) any violently explosive powder, but especially one of the fulminates, as mercuric fulminate.