cupriferous,a.|kjuːˈprɪfərəs| [f. as prec. + -ferous.] Yielding copper. 1784Kirwan Min. (1796) II. 109 Cupriferous native silver.c1830H. T. De la Beche Elem.Geol. (L.), The whole cupriferous district of North Wales.1879Cassell's Techn.Educ. IV. 225/1 Arsenical or cupriferous pyrites.