Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of copper is as below...

Niccolite :: Niccolite (n.) A mineral of a copper-red color and metallic luster; an arsenide of nickel; -- called also coppernickel, kupfernickel..

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

Chessy Copper :: Chessy copper () The mineral azurite, found in fine crystallization at Chessy, near Lyons; called also chessylite..

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

Plack :: Plack (n.) A small copper coin formerly current in Scotland, worth less than a cent..

Ruddock :: Ruddock (n.) A piece of gold money; -- probably because the gold of coins was often reddened by copper alloy. Called also red ruddock, and golden ruddock..

Aerose :: Aerose (a.) Of the nature of, or like, copper; brassy..

Coppersmith :: Coppersmith (n.) One whose occupation is to manufacture copper utensils; a worker in copper.

Covellite :: Covellite (n.) A native sulphide of copper, occuring in masses of a dark blue color; -- hence called indigo copper..

Sheathing :: Sheathing (n.) The casing or covering of a ship's bottom and sides; the materials for such covering; as, copper sheathing..

Triens :: Triens (n.) A Roman copper coin, equal to one third of the as. See 3d As, 2..

Bell Metal :: Bell metal () A hard alloy or bronze, consisting usually of about three parts of copper to one of tin; -- used for making bells..

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

Phlogopite :: Phlogopite (n.) A kind of mica having generally a peculiar bronze-red or copperlike color and a pearly luster. It is a silicate of aluminia, with magnesia, potash, and some fluorine. It is characteristic of crystalline limestone or dolomite and serpentine. See Mica..

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..

Cuprum :: Cuprum (n.) Copper.

Blacks :: Blacks (n. pl.) The name of a kind of in used in copperplate printing, prepared from the charred husks of the grape, and residue of the wine press..

Galvanograph :: Galvanograph (n.) A copperplate produced by the method of galvanography; also, a picture printed from such a plate..

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

Farthing :: Farthing (n.) The fourth of a penny; a small copper coin of Great Britain, being a cent in United States currency..

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