copper

Definition

  • n. 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
  • n. a copper penny
  • n. a reddish-brown color resembling the color of polished copper
  • n. any of various small butterflies of the family Lycaenidae having coppery wings

Word forms

Present participle
coppering
Past tense
coppered
Third person singular
coppers
Past participle
coppered

Example sentences

  1. n.

    The copper helped the lost child find his way home.

  2. n.

    Copper is an essential metal used in electrical wiring.