black copper

noun Metallurgy.

a regulus of 95-percent-pure copper, produced in a blast furnace by smelting oxidized copper ores.

Nearby words

  1. black chokeberry,
  2. black code,
  3. black codes,
  4. black cohosh,
  5. black comedy,
  6. black cosmos,
  7. black country,
  8. black cow,
  9. black crappie,
  10. black cuckoo Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019