cupreous
Syllabification: (cu·pre·ous)
Pronunciation: /ˈk(y)o͞oprēəs/
Definition of cupreous
adjective
Origin:
mid 17th century: from late Latin cupreus (from cuprum 'copper') + -ous
mid 17th century: from late Latin cupreus (from cuprum 'copper') + -ous