copper

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.