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...

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more conical that the trumpet, sometimes keyed; formerly much used in military bands, very rarely in the orchestra; now superseded by the cornet; -- called also the Kent bugle..

Ormolu :: Ormolu (n.) A variety of brass made to resemble gold by the use of less zinc and more copper in its composition than ordinary brass contains. Its golden color is often heightened by means of lacquer of some sort, or by use of acids. Called also mosaic gold..

Sheathe :: Sheathe (v. t.) To case or cover with something which protects, as thin boards, sheets of metal, and the like; as, to sheathe a ship with copper..

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

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..

Bise :: Bise (n.) A pale blue pigment, prepared from the native blue carbonate of copper, or from smalt; -- called also blue bice..

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

Eliquation :: Eliquation (n.) The process of separating a fusible substance from one less fusible, by means of a degree of heat sufficient to melt the one and not the other, as an alloy of copper and lead; liquation..

Obolo :: Obolo (n.) A copper coin, used in the Ionian Islands, about one cent in value..

Whitneyite :: Whitneyite (n.) an arsenide of copper from Lake Superior.

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.

Euchroite :: Euchroite (n.) A mineral occurring in transparent emerald green crystals. It is hydrous arseniate of copper.

Autotypography :: Autotypography (n.) A process resembling nature printing, by which drawings executed on gelatin are impressed into a soft metal plate, from which the printing is done as from copperplate..

Touch-needle :: Touch-needle (n.) A small bar of gold and silver, either pure, or alloyed in some known proportion with copper, for trying the purity of articles of gold or silver by comparison of the streaks made by the article and the bar on a touchstone..

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

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..

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..

Ferretto :: Ferretto (n.) Copper sulphide, used to color glass..

Chalcographist :: Chalcographist (n.) An engraver on copper or brass; hence, an engraver of copper plates for printing upon paper..

Penny :: Penny (n.) An English coin, formerly of copper, now of bronze, the twelfth part of an English shilling in account value, and equal to four farthings, or about two cents; -- usually indicated by the abbreviation d. (the initial of denarius)..

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