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Galvanography :: Galvanography (n.) A method of producing by means of electrotyping process (without etching) copperplates which can be printed from in the same manner as engraved plates.

Pinchbeck :: Pinchbeck (n.) 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..

Stycerin :: Styca (n.) An anglo-Saxon copper coin of the lowest value, being worth half a farthing..

Copperas :: Copperas (n.) Green vitriol, or sulphate of iron; a green crystalline substance, of an astringent taste, used in making ink, in dyeing black, as a tonic in medicine, etc. It is made on a large scale by the oxidation of iron pyrites. Called also ferrous sulphate..

Pewter :: Pewter (n.) A hard, tough, but easily fusible, alloy, originally consisting of tin with a little lead, but afterwards modified by the addition of copper, antimony, or bismuth..

Stanno- :: Stannite (n.) A mineral of a steel-gray or iron-black color; tin pyrites. It is a sulphide of tin, copper, and iron..

Gorget :: Gorget (n.) A small ornamental plate, usually crescent-shaped, and of gilded copper, formerly hung around the neck of officers in full uniform in some modern armies..

Cupreous :: Cupreous (a.) Consisting of copper or resembling copper; coppery.

Copperhead :: Copperhead (n.) A nickname applied to a person in the Northern States who sympathized with the South during the Civil War.

Verditer :: Verditer (n.) Either one of two pigments (called blue verditer, and green verditer) which are made by treating copper nitrate with calcium carbonate (in the form of lime, whiting, chalk, etc.) They consist of hydrated copper carbonates analogous to the minerals azurite and malachite..

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

Tombac :: Tombac (n.) An alloy of copper and zinc, resembling brass, and containing about 84 per cent of copper; -- called also German, / 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..

Cupric :: Cupric (a.) Of, pertaining to, or derived from, copper; containing copper; -- said of those compounds of copper in which this element is present in its lowest proportion..

Atacamite :: Atacamite (n.) An oxychloride of copper, usually in emerald-green prismatic crystals..

Tennantite :: Tennantite (n.) A blackish lead-gray mineral, closely related to tetrahedrite. It is essentially a sulphide of arsenic and copper..

Sheet :: Sheet (v. t.) A broad, thinly expanded portion of metal or other substance; as, a sheet of copper, of glass, or the like; a plate; a leaf..

Copperplate :: Copperplate (n.) An impression on paper taken from such a plate.

Manilla :: Manilla (n.) A piece of copper of the shape of a horseshoe, used as money by certain tribes of the west coast of Africa..

Copper-fastened :: Copper-fastened (a.) Fastened with copper bolts, as the planks of ships, etc.; as, a copper-fastened ship..

Ormolu :: Ormolu (n.) 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..

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