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...

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

Polybasite :: Polybasite (n.) An iron-black ore of silver, consisting of silver, sulphur, and antimony, with some copper and arsenic..

Dollardee :: Dollardee (n.) A species of sunfish (Lepomis pallidus), common in the United States; -- called also blue sunfish, and copper-nosed bream..

Rouser :: Rouser (n.) A stirrer in a copper for boiling wort.

Stert :: Sterrometal (n.) Any alloy of copper, zinc, tin, and iron, of which cannon are sometimes made..

Brood :: Brood (v. t.) Heavy waste in tin and copper ores.

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

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..

Coppering :: Coppering (p. pr. & vb. n.) of Coppe.

Alloy :: Alloy (v. t.) To reduce the purity of by mixing with a less valuable substance; as, to alloy gold with silver or copper, or silver with copper..

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..

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

Doop :: Doop (n.) A little copper cup in which a diamond is held while being cut.

Copper Works :: Copper works () A place where copper is wrought or manufactured.

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

Bornite :: Bornite (n.) A valuable ore of copper, containing copper, iron, and sulphur; -- also called purple copper ore (or erubescite), in allusion to the colors shown upon the slightly tarnished surface..

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

Dossil :: Dossil (n.) A roll of cloth for wiping off the face of a copperplate, leaving the ink in the engraved lines..

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

Coppering :: Coppering (n.) The act of covering with copper.

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