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Caledonite :: Caledonite (n.) A hydrous sulphate of copper and lead, found in some parts of Caledonia or Scotland..

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..

Matte :: Matte (n.) A partly reduced copper sulphide, obtained by alternately roasting and melting copper ore in separating the metal from associated iron ores, and called coarse metal, fine metal, etc., according to the grade of fineness. On the exterior it is dark brown or black, but on a fresh surface is yellow or bronzy in color..

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

Induline :: Induline (n.) A dark green amorphous dyestuff, produced by the oxidation of aniline in the presence of copper or vanadium salts; -- called also aniline black..

Brunswick Green :: Brunswick green () An oxychloride of copper, used as a green pigment; also, a carbonate of copper similarly employed..

Maravedi :: Maravedi (n.) A small copper coin of Spain, equal to three mils American money, less than a farthing sterling. Also, an ancient Spanish gold coin..

Cent :: Cent (n.) A United States coin, the hundredth part of a dollar, formerly made of copper, now of copper, tin, and zinc..

Argentan :: Argentan (n.) An alloy of nickel with copper and zinc; German silver.

Eucairite :: Eucairite (n.) A metallic mineral, a selenide of copper and silver; -- so called by Berzelius on account of its being found soon after the discovery of the metal selenium..

Chalcographist :: Chalcographist (n.) An engraver on copper or brass; hence, an engraver of copper plates for printing upon paper..

Coppering :: Coppering (n.) The act of covering with copper.

Aeruginous :: Aeruginous (a.) Of the nature or color of verdigris, or the rust of copper..

Semilor :: Semilor (n.) A yellowish alloy of copper and zinc. See Simplor.

Volborthite :: Volborthite (n.) A mineral occurring in small six-sided tabular crystals of a green or yellow color. It is a hydrous vanadate of copper and lime.

Copperworm :: Copperworm (n.) The ringworm.

Vodanium :: Vodanium (n.) A supposed element, afterward found to be a mixture of several metals, as copper, iron, lead, nickel, etc..

Mordant :: Mordant (n.) Any substance, as alum or copperas, which, having a twofold attraction for organic fibers and coloring matter, serves as a bond of union, and thus gives fixity to, or bites in, the dyes..

Fulguration :: Fulguration (n.) The sudden brightening of a fused globule of gold or silver, when the last film of the oxide of lead or copper leaves its surface; -- also called blick..

Coquimbite :: Coquimbite (n.) A mineral consisting principally of sulphate of iron; white copperas; -- so called because found in the province of Coquimbo, Chili..

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