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Rove :: Rove (n.) A copper washer upon which the end of a nail is clinched in boat building.

Turnbull''s Blue :: Turnbull's blue () The double cyanide of ferrous and ferric iron, a dark blue amorphous substance having a coppery luster, used in dyeing, calico printing, etc. Cf. Prussian blue, under Prussian..

Venus :: Venus (n.) The metal copper; -- probably so designated from the ancient use of the metal in making mirrors, a mirror being still the astronomical symbol of the planet Venus..

Cupriferous :: Cupriferous (a.) Containing copper; as, cupriferous silver..

Copperish :: Copperish (a.) Containing, or partaking of the nature of, copper; like copper; as, a copperish taste..

Copper :: Copper (n.) A coin made of copper; a penny, cent, or other minor coin of copper..

Minargent :: Minargent (n.) An alloy consisting of copper, nickel, tungsten, and aluminium; -- used by jewelers..

Mat :: Mat (n.) A name given by coppersmiths to an alloy of copper, tin, iron, etc., usually called white metal..

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

Touch-needle :: Touch-needle (n.) A small bar of gold and silver, either pure, or alloyed in some known proportion with copper, for trying the purity of articles of gold or silver by comparison of the streaks made by the article and the bar on a touchstone..

Shell :: Shell (n.) An engraved copper roller used in print works.

Aerugo :: Aerugo (n.) The rust of any metal, esp. of brass or copper; verdigris..

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..

Zincoid :: Zincoid (a.) Pertaining to, or resembling, zinc; -- said of the electricity of the zincous plate in connection with a copper plate in a voltaic circle; also, designating the positive pole..

Tula Metal :: Tula metal () An alloy of silver, copper, and lead made at Tula in Russia..

Mezzotint :: Mezzotint (n.) A manner of engraving on copper or steel by drawing upon a surface previously roughened, and then removing the roughness in places by scraping, burnishing, etc., so as to produce the requisite light and shade. Also, an engraving so produced..

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

Dioptase :: Dioptase (n.) A hydrous silicate of copper, occurring in emerald-green crystals..

Eliquation :: Eliquation (n.) The process of separating a fusible substance from one less fusible, by means of a degree of heat sufficient to melt the one and not the other, as an alloy of copper and lead; liquation..

Brood :: Brood (v. t.) Heavy waste in tin and copper ores.

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