Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cu

1 sense of cu

Sense 1
copper, Cu, atomic number 29 -- (a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor)
       => metallic element, metal -- (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)
       => conductor -- (a substance that readily conducts e.g. electricity and heat)