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...

Misy :: Misy (n.) An impure yellow sulphate of iron; yellow copperas or copiapite.

Copperas :: Copperas (n.) Green vitriol, or sulphate of iron; a green crystalline substance, of an astringent taste, used in making ink, in dyeing black, as a tonic in medicine, etc. It is made on a large scale by the oxidation of iron pyrites. Called also ferrous sulphate..

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

Stycerin :: Styca (n.) An anglo-Saxon copper coin of the lowest value, being worth half a farthing..

Cuprite :: Cuprite (n.) The red oxide of copper; red copper; an important ore of copper, occurring massive and in isometric crystals..

Britannia :: Britannia (n.) A white-metal alloy of tin, antimony, bismuth, copper, etc. It somewhat resembles silver, and is used for table ware. Called also Britannia metal..

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..

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..

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..

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..

Ziment-water :: Ziment-water (n.) A kind of water found in copper mines; water impregnated with copper.

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

Linarite :: Linarite (n.) A hydrous sulphate of lead and copper occurring in bright blue monoclinic crystals.

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..

Pfennig :: Pfennig (n.) A small copper coin of Germany. It is the hundredth part of a mark, or about a quarter of a cent in United States currency..

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

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..

Turquois :: Turquois (n.) A hydrous phosphate of alumina containing a little copper; calaite. It has a blue, or bluish green, color, and usually occurs in reniform masses with a botryoidal surface..

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

Copperplate :: Copperplate (n.) A plate of polished copper on which a design or writing is engraved.

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