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Domeykite :: Domeykite (n.) A massive mineral of tin-white or steel-gray color, an arsenide of copper..

Alloy :: Alloy (v. t.) To reduce the purity of by mixing with a less valuable substance; as, to alloy gold with silver or copper, or silver with copper..

Verdigris :: Verdigris (n.) The green rust formed on copper.

Enargite :: Enargite (n.) An iron-black mineral of metallic luster, occurring in small orthorhombic crystals, also massive. It contains sulphur, arsenic, copper, and often silver..

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

Glance :: Glance (n.) A name given to some sulphides, mostly dark-colored, which have a brilliant metallic luster, as the sulphide of copper, called copper glance..

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.

Gong :: Gong (n.) An instrument, first used in the East, made of an alloy of copper and tin, shaped like a disk with upturned rim, and producing, when struck, a harsh and resounding noise..

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

Money :: Money (n.) A piece of metal, as gold, silver, copper, etc., coined, or stamped, and issued by the sovereign authority as a medium of exchange in financial transactions between citizens and with government; also, any number of such pieces; coin..

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..

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..

Libethenite :: Libethenite (n.) A mineral of an olive-green color, commonly in orthorhombic crystals. It is a hydrous phosphate of copper..

Metal :: Metal (n.) An elementary substance, as sodium, calcium, or copper, whose oxide or hydroxide has basic rather than acid properties, as contrasted with the nonmetals, or metalloids. No sharp line can be drawn between the metals and nonmetals, and certain elements partake of both acid and basic qualities, as chromium, manganese, bismuth, etc..

Capel :: Capel (n.) A composite stone (quartz, schorl, and hornblende) in the walls of tin and copper lodes..

Bajocco :: Bajocco (n.) A small copper coin formerly current in the Roman States, worth about a cent and a half..

Vauquelinite :: Vauquelinite (n.) Chromate of copper and lead, of various shades of green..

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..

Centesimo :: Centesimo (n.) A copper coin of Italy and Spain equivalent to a centime.

Coppery :: Coppery (a.) Mixed with copper; containing copper, or made of copper; like copper..

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