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Copper :: 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..

Olivenite :: Olivenite (n.) An olive-green mineral, a hydrous arseniate of copper; olive ore..

Pile :: Pile (n.) A vertical series of alternate disks of two dissimilar metals, as copper and zinc, laid up with disks of cloth or paper moistened with acid water between them, for producing a current of electricity; -- commonly called Volta's pile, voltaic pile, or galvanic pile..

Frankfort Black :: Frankfort black () A black pigment used in copperplate printing, prepared by burning vine twigs, the lees of wine, etc..

Cent :: Cent (n.) A United States coin, the hundredth part of a dollar, formerly made of copper, now of copper, tin, and zinc..

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..

Saunders-blue :: Saunders-blue (n.) A kind of color prepared from calcined lapis lazuli; ultramarine; also, a blue prepared from carbonate of copper..

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..

Kettledrum :: Kettledrum (n.) A drum made of thin copper in the form of a hemispherical kettle, with parchment stretched over the mouth of it..

Foil :: Foil (n.) A thin leaf of sheet copper silvered and burnished, and afterwards coated with transparent colors mixed with isinglass; -- employed by jewelers to give color or brilliancy to pastes and inferior stones..

Turacin :: Turacin (n.) A red or crimson pigment obtained from certain feathers of several species of turacou; whence the name. It contains nearly six per cent of copper.

Cupreous :: Cupreous (a.) Consisting of copper or resembling copper; coppery.

Malay :: Malay (n.) One of a race of a brown or copper complexion in the Malay Peninsula and the western islands of the Indian Archipelago.

Atramentarious :: Atramentarious (a.) Like ink; suitable for making ink. Sulphate of iron (copperas, green vitriol) is called atramentarious, as being used in making ink..

Enargite :: Enargite (n.) An iron-black mineral of metallic luster, occurring in small orthorhombic crystals, also massive. It contains sulphur, arsenic, copper, and often silver..

Eruginous :: Eruginous (a.) Partaking of the substance or nature of copper, or of the rust copper; resembling the trust of copper or verdigris; aeruginous..

Copperplate :: Copperplate (n.) An impression on paper taken from such a plate.

Caledonite :: Caledonite (n.) A hydrous sulphate of copper and lead, found in some parts of Caledonia or Scotland..

Magistral :: Magistral (n.) Powdered copper pyrites used in the amalgamation of ores of silver, as at the Spanish mines of Mexico and South America..

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..

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