cupreous

/ˈkjuːpriəs/
adjective
  1. Of or containing copper; having a reddish-brown color like copper.
    • The cupreous hue of the sunset reminded her of a polished penny.
    • The old statue had a cupreous sheen from years of exposure.
    • Miners found a cupreous rock that was rich in copper ore.
Synonyms
What does "cupreous" mean? | whatsthatwordmean | whatsthatwordmean