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A dark brown powder containing iron, prepared by the action of zinc dust as a reducing agent upon the coloring matter of the blood, used medicinally as a hematinic.

A hydrous phosphate of zinc in transparent prismatic crystals.

in many ways, but is chiefly obtained by the action of acids (as sulphuric) on metals, as zinc, iron, etc. It is very inflammable, and is an ingredient of coal gas and water gas. It is standard of chemical equivalents or combining weights, and also of valence, being the typical monad. Symbol H. Atomic weight 1.…

A rare metallic element, discovered in certain ores of zinc, by means of its characteristic spectrum of two indigo blue lines; hence, its name. In appearance it resembles zinc, being white or lead gray, soft, malleable and easily fusible, but in its chemical relation it resembles aluminium or gallium. Symbol In. Atomic…

A variety of pyroxene of olive-green color passing into brown. It contains zinc.

hin sheets; as, gold latten. Black latten, brass in milled sheets, composed of copper and zinc, used by braziers, and for drawing into wire. -- Roll latten, latten polished on both sides ready for use. -- Shaven latten, a thinner kind than black latten. -- White latten, a mixture of brass and tin.

lized in arborescent forms from a solution of some lead salt, as by suspending a strip of zinc in lead acetate. -- Mock lead, a miner's term for blende. -- Red lead, a scarlet, crystalline, granular powder, consisting of minium when pure, but commonly containing several of the oxides of lead. It is used as a paint or…

d of brass made in imitation of gold. It contains eighty per cent of copper and twenty of zinc. Ure.

A ferruginous variety of shalerite or zinc blende, nearly black in color.

sheathing and other purposes, consisting of about sixty per cent of copper, and forty of zinc. Sometimes a little lead is added. It is named from the inventor. -- Prince's metal (Old Chem.), an alloy resembling brass, consisting of three parts of copper to one of zinc; -- also called Prince Rupert's metal.…

any one of a series of compounds of certain metallic elements with organic radicals; as, zinc methyl, sodium ethyl, etc. [Written also metallorganic.]

An alloy resembling silver, and consisting chiefly of copper, zinc, and nickel, with small proportions of tin, aluminium, and bismuth. Ure.

l; esp., a five-cent piece. [Colloq. U.S.] Nickel silver, an alloy of nickel, copper, and zinc; -- usually called german silver; called also argentan.

Nothing. Nihil album Etym: [L., white nothing] (Chem.), oxide of zinc. See under Zinc. -- Nihil debet Etym: [L., he owes nothing] (Law), the general issue in certain actions of debt. -- Nihil dicit Etym: [L., he says nothing] (Law), a declinature by the defendant to plead or answer. Tomlins.

isposition of copper, lead peroxide, etc. They may be produced by touching with a pointed zinc rod a silver plate on which is a solution of copper sulphate.

A variety of brass made to resemble gold by the use of less zinc and more copper in its composition than ordinary brass contains. Its golden color is often heightened by means of lacquer of some sort, or by use of acids. Called also mosaic gold. Ormolu varnish, a varnish applied to metals, as brass, to give the appeara…

An alloy, chiefly of copper and zinc or tin, resembling gold in color and brilliancy. [Written also oreide.]

A Chinese alloy of nickel, zinc, and copper, resembling German silver.

of the aromatic series obtained as a colorless liquid by the distillation of camphor with zinc chloride. It is one of the three metamers of xylene. Cf. Metamer, and Xylene.

ten also photoglyptic.] Photoglyphic engraving, a process of etching on copper, steel, or zinc, by means of the action of light and certain chemicals, so that from the plate impressions may be taken. Sir D. Brewster.