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it from its association with zinc or zinc ore. Cadmium yellow, a compound of cadmium and sulphur, of an intense yellow color, used as a pigment.

An explosive composed of nitrobenzene, saltpeter, sulphur, and kieselguhr.

ket work or in a box, for protection; -- used commonly for carrying corrosive liquids; as sulphuric acid, etc.

To throw out or emit; to exhale. [Obs.] This . . . casts a sulphureous smell. Woodward.

not be welded or forged, is brittle, and sometimes very hard. Besides carbon, it contains sulphur, phosphorus, silica, etc.

t is apparenty left unchanged; as, the catalysis of making ether from alcohol by means of sulphuric acid; or catalysis in the action of soluble ferments (as diastase, or ptyalin) on starch.

A fast dyestuff, C20H8O6, made by heating gallein with strong sulphuric acid. It dyes mordanted fabrics green.

Copper pyrites, or yellow copper ore; a common ore of opper, containing copper, iron, and sulphur. It occurs massive and in tetragonal crystals of a bright brass yellow color.

chromium in which it has its higher valence. Chromic acid, an acid, H2CrO4, analogous to sulphuric acid, not readily obtained in the free state, but forming well known salts, many of which are colored pigments, as chrome yellow, chrome red, etc. -- Chromic anhydride, a brilliant red crystalline substance, CrO3, regar…

A mineral of a nearly silver-white color, composed of arsenic, sulphur, and cobalt.

genera and many species; as the broad-crested (Plictolophus, or Cacatua, cristatus), the sulphur-crested (P. galeritus), etc. The palm or great black cockatoo of Australia is Microglossus aterrimus. Cock"a*trice, n. Etym: [OF. cocatrice crocodile, F. cocatrix, cocatrice. The word is a corruption from the same source a…

Mineral coal charred, or depriver of its bitumen, sulphur, or other volatile matter by roasting in a kiln or oven, or by distillation, as in gas works. It is lagerly used where [Written also coak.] Gas coke, the coke formed in gas retorts, as distinguished from that made in ovens.

A white crystalline substance, C3H7NSO2, containing sulphur, occuring as a constituent of certain rare urinary calculi, and occasionally found as a sediment in urine.

e, of a reddish color. It is a silicate of iron, zinc manganese, and glicinum, containing sulphur.

s great destruction. "The deluge of summer." Lowell. A fiery deluge fed With ever-burning sulphur unconsumed. Milton. As I grub up some quaint old fragment of a [London] street, or a house, or a shop, or tomb or burial ground, which has still survived in the deluge. F. Harrison. After me the deluge. (Aprés moi le délug…

short 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.

To explode with a sudden report; as, niter detonates with sulphur.

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

arly of the action of heat on gaseous or volatile substances; as, the dissociation of the sulphur molecules; the dissociation of ammonium chloride into hydrochloric acid and ammonia.

A salt of disulphuric or pyrosulphuric acid; a pyrosulphate.