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..
Copper :: Copper (n.) A coin made of copper; a penny, cent, or other minor coin of copper..
Copper :: Copper (n.) A vessel, especially a large boiler, made of copper..
Copper :: Copper (n.) the boilers in the galley for cooking; as, a ship's coppers..
Copper :: Copper (v. t.) To cover or coat with copper; to sheathe with sheets of copper; as, to copper a ship..
Copper Works :: Copper works () A place where copper is wrought or manufactured.
Copper-bottomed :: Copper-bottomed (a.) Having a bottom made of copper, as a tin boiler or other vessel, or sheathed with copper, as a ship..
Copper-faced :: Copper-faced (a.) Faced or covered with copper; as, copper-faced type..
Copper-fastened :: Copper-fastened (a.) Fastened with copper bolts, as the planks of ships, etc.; as, a copper-fastened ship..
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..
Copperhead :: Copperhead (n.) A poisonous American serpent (Ancistrodon conotortrix), closely allied to the rattlesnake, but without rattles; -- called also copper-belly, and red viper..
Copperhead :: Copperhead (n.) A nickname applied to a person in the Northern States who sympathized with the South during the Civil War.