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Copper-nickel :: Copper-nickel (n.) Niccolite.

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..

Liard :: Liard (n.) A French copper coin of one fourth the value of a sou.

Penny :: Penny (n.) An English coin, formerly of copper, now of bronze, the twelfth part of an English shilling in account value, and equal to four farthings, or about two cents; -- usually indicated by the abbreviation d. (the initial of denarius)..

Cyanosite :: Cyanosite (n.) Native sulphate of copper. Cf. Blue vitriol, under Blue..

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..

Similor :: Similor (n.) An alloy of copper and zinc, resembling brass, but of a golden color..

Pice :: Pice (n.) A small copper coin of the East Indies, worth less than a cent..

Copper Works :: Copper works () A place where copper is wrought or manufactured.

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..

Copperhead :: Copperhead (n.) A poisonous American serpent (Ancistrodon conotortrix), closely allied to the rattlesnake, but without rattles; -- called also copper-belly, and red viper..

Cable :: Cable (n.) A rope of steel wire, or copper wire, usually covered with some protecting or insulating substance; as, the cable of a suspension bridge; a telegraphic cable..

Neogen :: Neogen (n.) An alloy resembling silver, and consisting chiefly of copper, zinc, and nickel, with small proportions of tin, aluminium, and 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..

Verdigris :: Verdigris (n.) A green poisonous substance used as a pigment and drug, obtained by the action of acetic acid on copper, and consisting essentially of a complex mixture of several basic copper acetates..

Ground :: Ground (v. t.) To cover with a ground, as a copper plate for etching (see Ground, n., 5); or as paper or other materials with a uniform tint as a preparation for ornament..

Vitriol :: Vitriol (n.) A sulphate of any one of certain metals, as copper, iron, zinc, cobalt. So called on account of the glassy appearance or luster..

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

Copper-nose :: Copper-nose (n.) A red nose.

Chalcography :: Chalcography (n.) The act or art of engraving on copper or brass, especially of engraving for printing..

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