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the agitation and settling of pulp (pulverized ore and water) during treatment by the cyanide process; -- so named because, though originally devised in New Zealand, it was first practically introduced in Pachuca, Mexico.

cation of cyanogen, obtained as a brown or black amorphous residue by heating mercuric cyanide.

ludes the caddice flies; -- called also Trichoptera. See Trichoptera. [Written also Phryganides.]

Pertaining to, derived from, or designating, an acid compound of platinous cyanide and hydrocyanic acid. It is obtained as a cinnaber-red crystalline substance.

silver and gold, occurring native or alloyed with other metals, also as the platinum arsenide (sperrylite). It is heavy tin-white metal which is ductile and malleable, but very infusible, and characterized by its resistance to strong chemical reagents. It is used for crucibles, for stills for sulphuric acid, rarely fo…

ive or inhabitant of Prussia. Prussian blue (Chem.), any one of several complex double cyanides of ferrous and ferric iron; specifically, a dark blue amorphous substance having a coppery luster, obtained by adding a solution of potassium ferrocyanide (yellow prussiate of potash) to a ferric salt. It is used in dyeing,…

A salt of prussic acid; a cyanide. Red prussiate of potash. See Potassium ferricyanide, under Ferricyanide. Yellow prussiate of potash. See Potassium ferrocyanide, under Ferrocyanide.

Goat's rue. See under Goat. -- Rue anemone, a pretty springtime flower (Thalictrum anemonides) common in the United States. -- Wall rue, a little fern (Asplenium Ruta-muraria) common on walls in Europe.

A trade name for benzoic sulphinide. [Written also saccharin.] C7H5NO3S.

A shallow socket for the pivot of a capstan. Flying saucer, a type of Unidentified Flying Object, having a biconvex discoid shape; such objects are occasionally reported to have been sighted, but no example of one has been reliably shown to exist. They are believed by ufologists to originate in outer space, but they ar…

Of, pertaining to, or designating, hydrogen selenide, H2Se, regarded as an acid analogous to sulphydric acid.

A selenide. [Obs.]

Combined with selenium as in a selenide; as, seleniureted hydrogen. [Written also seleniuretted.] [Obsoles.]

A tin-white or gray mineral of metallic luster. It is an arsenide of cobalt, nickel, and iron. Called also speiskobalt.

An arsenide of platinum occuring in grains and minute isometric crystals of tin-white color. It is found near Sudbury, Ontario Canada, and is the only known compound of platinum occuring in nature.

Antimony hydride, or hydrogen antimonide, a colorless gas produced by the action of nascent hydrogen on antimony. It has a characteristic odor and burns with a characteristic greenish flame. Formerly called also antimoniureted hydrogen.

salt of sulphocyanic acid; -- also called thiocyanate, and formerly inaccurately sulphocyanide. Ferric sulphocyanate (Chem.), a dark red crystalline substance usually obtained in a blood-red solution, and recognized as a test for ferric iron.

designating certain double compounds of titanium with some other elements; as, titano- cyanide, titano-fluoride, titano-silicate, etc.

The double cyanide of ferrous and ferric iron, a dark blue amorphous substance having a coppery luster, used in dyeing, calico printing, etc. Cf. Prussian blue, under Prussian.

goddess of any stream or other body of water, whether one of the Naiads, Nereids, or Oceanides.