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A vertical series of alternate disks of two dissimilar metals, as copper and zinc, laid up with disks of cloth or paper moistened with acid water between them, for producing a current of electricity; -- commonly called Volta's pile, voltaic pile, or galvanic pile.

An alloy of copper and zinc, resembling gold; a yellow metal, composed of about three ounces of zinc to a pound of copper. It is much used as an imitation of gold in the manufacture of cheap jewelry.

Impure zinc oxide.

A feebly basic solid, C4H4N2, obtained by distilling piperazine with zinc dust, and in other ways. Also, by extension, any of various derivatives of the same.

consisting chiefly of the disulphide of arsenic; -- called also ruby sulphur. -- Ruby of zinc (Min.), zinc sulphide; the mineral zinc blende or sphalerite. -- Ruby silver (Min.), red silver. See under Red.

ium carbonate. See under Sodium. -- Sal vitrioli Etym: [NL.] (Old Chem.), white vitriol; zinc sulphate. -- Sal volatile. Etym: [NL.] (a) (Chem.) See Sal ammoniac, above.

A yellowish alloy of copper and zinc. See Simplor.

An alloy of copper and zinc, resembling brass, but of a golden color. Ure.

Native zinc carbonate. It generally occurs in stalactitic, reniform, or botryoidal shapes, of a white to gray, green, or brown color. See Note under Calamine.

ites or cements. Hard solder, a solder which fuses only at a red heat, as one composed of zinc and copper, or silver and copper, etc. -- Soft solder, a solder fusible at comparatively low temperatures; as, plumbers' solder, consisting of two parts lead and one part tin, is a soft solder.

f copper to 58.9 parts of tin, with sometimes a small proportion of arsenic, antimony, or zinc added to improve the whiteness.

Zinc; -- especially so called in commerce and arts.

Zinc sulphide; -- called also blende, black-jack, false galena, etc. See Blende (a).

Any alloy of copper, zinc, tin, and iron, of which cannon are sometimes made.

An alloy of copper and zinc, resembling brass, and containing about 84 per cent of copper; -- called also German, or Dutch, brass. It is very malleable and ductile, and when beaten into thin leaves is sometimes called Dutch metal. The addition of arsenic makes white tombac. [Written also tombak, and tambac.]…

Crude zinc. [India]

morphous substance obtained as a sublimation product in the flues of smelting furnaces of zinc, and consisting of a crude zinc oxide.

A process for coating metal (usually iron or steel) surfaces with zinc by exposing them to the vapor of zinc instead of, as in ordinary galvanizing, to molten zinc; -- called also Sherardizing. Vapor galvanizing is accomplished by heating the articles to be galvanized together with zinc dust in an air tight receptacle…

A sulphate of any one of certain metals, as copper, iron, zinc, cobalt. So called on account of the glassy appearance or luster.

on nothus), of the Southern United States. -- White vitriol (Chem.), hydrous sulphate of zinc. See White vitriol, under Vitriol. -- White wagtail (Zoöl.), the common, or pied, wagtail. -- White wax, beeswax rendered white by bleaching. -- White whale (Zoöl.), the beluga. -- White widgeon (Zoöl.), the smew. -- Whi…