Definition of COPPER


Copper is a noun that primarily refers to a chemical element with the symbol Cu and atomic number 29, distinguished by its reddish-brown color, malleability, ductility, and excellent conductivity of electricity and heat. It can be understood in various contexts:

Physical Properties: In chemistry, “copper” (noun) denotes a metallic element belonging to the transition metal group, characterized by its metallic luster, high thermal and electrical conductivity, and resistance to corrosion.

Atomic Structure: Copper atoms possess 29 protons and electrons, with varying numbers of neutrons in isotopes, forming compounds and alloys with other elements in numerous chemical reactions.

Metalworking and Manufacturing: Copper is widely used in industrial applications, such as construction, electronics, telecommunications, transportation, and plumbing, due to its versatility, durability, and conductivity.

Alloys and Composites: Copper alloys, including bronze and brass, are extensively utilized for their mechanical properties, corrosion resistance, and aesthetic appeal in the production of coins, sculptures, architectural elements, and decorative items.

Nutritional Value: In nutrition, copper is an essential trace element required for various physiological processes in the human body, including energy production, iron metabolism, connective tissue formation, and antioxidant defense.

Biological Functions: Copper plays crucial roles in enzymatic reactions, neurotransmitter synthesis, immune function, and pigmentation, contributing to overall health and well-being in humans and other organisms.

In summary, “copper” is a noun that describes a chemical element characterized by its reddish-brown color, metallic properties, and widespread applications in industry, technology, health, and biology.

Examples of COPPER in a sentence

  • Copper is a metallic element with the chemical symbol Cu and atomic number 29.
  • Electrical wiring often consists of copper conductors due to its excellent conductivity and resistance to corrosion.
  • Ancient civilizations used copper for tools, weapons, and decorative items due to its malleability and durability.
  • Copper is an essential trace mineral that plays a role in various bodily functions, including energy production and immune system function.
  • The Statue of Liberty’s green color is due to the oxidation of its copper exterior over time.
  • Many coins throughout history have been made of copper or copper alloys, owing to its availability and durability.
  • Copper is widely used in plumbing systems for pipes and fittings due to its resistance to corrosion and ability to form tight seals.
  • The demand for copper has increased with the growth of industries such as electronics, construction, and renewable energy.

Origin of COPPER

The term copper has ancient linguistic origins, with its etymology traced back to Proto-Indo-European and beyond.

  • Proto-Indo-European Roots: The word “copper” has its roots in Proto-Indo-European, likely derived from the root kwo-per. This root evolved into various cognates in different Indo-European languages, such as the Latin “cuprum” and the Greek “κύπρος” (kýpros).
  • Latin and Greek Influence: The Latin term “cuprum” was derived from the island of Cyprus, where copper mining was significant in antiquity. This connection gave rise to the modern English term “copper.” Similarly, the Greek term “κύπρος” (kýpros) also referred to the island’s copper mines.

The term copper thus reflects its linguistic journey from its Proto-Indo-European roots, through Latin and Greek influences, highlighting its ancient connections to copper mining and metallurgical practices.


  • Cu (chemical symbol)
  • Cuprum
  • Bronze
  • Brass
  • Red metal
  • Metallic element
  • Alloy
  • Metal


  • Corrosion
  • Oxidation
  • Rust
  • Decay
  • Deterioration
  • Degradation
  • Erosion
  • Wear


  • Conductivity
  • Bronze
  • Brass
  • Metallurgy
  • Copper sulfate
  • Copper mine
  • Copper smelting
  • Electrical wiring

🌐 🇬🇧 COPPER in other languages

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