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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..

Bugle :: Bugle (n.) A copper instrument of the horn quality of tone, shorter and more conical that the trumpet, sometimes keyed; formerly much used in military bands, very rarely in the orchestra; now superseded by the cornet; -- called also the Kent bugle..

Fulguration :: Fulguration (n.) The sudden brightening of a fused globule of gold or silver, when the last film of the oxide of lead or copper leaves its surface; -- also called blick..

Mezzotint :: Mezzotint (n.) A manner of engraving on copper or steel by drawing upon a surface previously roughened, and then removing the roughness in places by scraping, burnishing, etc., so as to produce the requisite light and shade. Also, an engraving so produced..

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

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

Libethenite :: Libethenite (n.) A mineral of an olive-green color, commonly in orthorhombic crystals. It is a hydrous phosphate of copper..

Daguerreotype :: Daguerreotype (n.) An early variety of photograph, produced on a silver plate, or copper plate covered with silver, and rendered sensitive by the action of iodine, or iodine and bromine, on which, after exposure in the camera, the latent image is developed by the vapor of mercury..

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

Alloy :: Alloy (v. t.) Any combination or compound of metals fused together; a mixture of metals; for example, brass, which is an alloy of copper and zinc. But when mercury is one of the metals, the compound is called an amalgam..

Ehlite :: Ehlite (n.) A mineral of a green color and pearly luster; a hydrous phosphate of copper.

Fondon :: Fondon (n.) A large copper vessel used for hot amalgamation.

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..

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

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

Copper :: Copper (n.) A vessel, especially a large boiler, made of copper..

Verdigris :: Verdigris (n.) The green rust formed on copper.

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..

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

Pyrothonide :: Pyrothonide (n.) A kind of empyreumatic oil produced by the combustion of textures of hemp, linen, or cotton in a copper vessel, -- formerly used as a remedial agent..

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