English definition of Copper

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Definition of copper

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Copper (n.) A common metal of a reddish color, both ductile and malleable, and very tenacious. It is one of the best conductors of heat and electricity. Symbol Cu. Atomic weight 63.3. It is one of the most useful metals in itself, and also in its alloys, brass and bronze..

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Vauquelinite :: Vauquelinite (n.) Chromate of copper and lead, of various shades of green..

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..

Aurichalcite :: Aurichalcite (n.) A hydrous carbonate of copper and zinc, found in pale green or blue crystalline aggregations. It yields a kind of brass on reduction..

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..

Braze :: Braze (v. i.) To solder with hard solder, esp. with an alloy of copper and zinc; as, to braze the seams of a copper pipe..

Denier :: Denier (n.) A small copper coin of insignificant value.

Uranite :: Uranite (n.) A general term for the uranium phosphates, autunite, or lime uranite, and torbernite, or copper uranite..

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

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

Chrysocolla :: Chrysocolla (n.) A hydrous silicate of copper, occurring massive, of a blue or greenish blue color..

Brochantite :: Brochantite (n.) A basic sulphate of copper, occurring in emerald-green crystals..

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..

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

Gong :: Gong (n.) An instrument, first used in the East, made of an alloy of copper and tin, shaped like a disk with upturned rim, and producing, when struck, a harsh and resounding noise..

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

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

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..

Caracoly :: Caracoly (n.) An alloy of gold, silver, and copper, of which an inferior quality of jewelry is made..

Atacamite :: Atacamite (n.) An oxychloride of copper, usually in emerald-green prismatic crystals..

Copeck :: Copeck (n.) A Russian copper coin. See Kopeck.