Copper is a chemical element; it has symbol Cu (from Latin cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly …

The meaning of COPPER is a metallic chemical element with atomic number 29 that is easily formed into sheets and wires and is one of the best known conductors of heat and electricity …

Jan 7, 2026 · Copper, a chemical element that is a reddish, extremely ductile metal and an excellent conductor of electricity and heat. The pure metal is second only to silver in thermal …

copper noun [U] (METAL) Add to word list a soft, red-brown metal, used mostly in electrical equipment and for making wire and coins

Apr 6, 2023 · Copper is a metal and chemical element with excellent electrical and thermal conductivity and good corrosion resistance. It is also easy to shape and has an instantly …

1. a malleable ductile metallic element having a characteristic reddish brown color: used in large quantities as an electrical conductor and in the manufacture of alloys, as brass and bronze.

a malleable ductile reddish metallic element occurring as the free metal, copper glance, and copper pyrites: used as an electrical and thermal conductor and in such alloys as brass and …

Definition of copper noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Copper is a reddish brown metal that is used to make things such as coins and electrical wires. Chile is the world's largest producer of copper.

Copper definition: A ductile, malleable, reddish-brown metallic element that is an excellent conductor of heat and electricity and is widely used for electrical wiring, water piping, and …