copper

[ˈkɑːpər]

Definition:
1. A chemical element. Copper is a soft reddish-brown metal used for making electric wires, pipes and coins.
2. A copper penny.
3. Uncomplimentary terms for a policeman.
4. A reddish brown the color of polished copper.
5. Any of various small butterflies of the family Lycaenidae having copper colored wings.
6. Coat with a layer of copper.

Use 'copper' in a sentence:

1. Copper is a good conductor of heat.
2. The copper pipework has corroded in places.
3. Silver and copper help to get off the dirt in the dark.
4. The copper antennae have been looted, and only a giant satellite dish betrays its past.
5. He wore a copper bracelet on his wrist.
6. Although hit by the flood, they did not ask for a single copper from the state.
7. That little boy wonders why copper bends easily.
8. Those copper articles were superficially brassed.
9. This wire inside an electric lamp is not made of copper but it is made of tungsten.
10. Chemical analysis revealed a high content of copper.
11. Chile is the world's largest producer of copper.
12. El Salvador produces 100,000 tons of refined copper annually.
13. The antiseptic properties of copper sulphate have never been questioned.
14. Iron casts better than copper.
15. The treasures are not copper or coal.
16. If you were to go back and look, you could see that this is copper.
17. Among the mineral deposits of the province, tin occupies first place; copper comes second.
18. Industrial waste is even more harmful since there are many highly poisonous materials in it, such as copper and lead.
19. Since the Han and Tang Dynasties, Chinese copper coins and banknote began to be copied by various neighboring states.
20. If you wanted red you added copper, if you wanted green you added iron.
21. The materials from e-waste include iron, copper, gold, silver and aluminum.
22. Among all commodities, nickel and copper are under particular stress.
23. A group of men are erecting a monstrous copper edifice.
24. Bronze is an alloy of copper and tin.
25. It looks like most of you got that the electron configuration that we're writing here is for copper.
26. When nitric acid is poured on copper, a Brown vapour gives off.
27. Copper is metal with high ductility.
28. Copper wire is flexible.
29. What is the chemical symbol for copper?
30. As new mines come on stream, Chile's share of world copper output will increase sharply.
31. Miners in Zambia's northern copper belt have gone on strike.
32. Pale colours are much more in vogue than autumnal bronzes and coppers.
33. Copper pipe is sold in lengths.
34. Brass is an alloy of copper and zinc.
35. Brass can be made by fusing copper and zinc.
36. Copper, brass, and aluminium are separated and remelted for reuse.
37. They produced Brass by the fusion of copper and zinc.
38. Plastic and rubber won't conduct electricity, but copper will.
39. He makes decorative vessels in copper, stainless steel and silver.
40. I only paid a few coppers for it.
41. Copper conducts electricity well.
42. He was hammering the sheet of copper flat.
43. Copper nails are better than iron nails because the iron rusts.
44. Contemporary photographs are juxtaposed with a sixteenth century, copper Portuguese mirror.
45. His hair has reverted back to its original copper hue.
46. We tried to grow some copper sulphate crystals with our children.