† ˈcopperous, a. Obs.
Also 6 coperous.
[In sense 1 perh. related to F. couperose (Paré, 16th c.) the disease copper-nose; in sense 2 app. related to copperas, F. couperose; though in both there was prob. association with copper: sense 3 is perh. immed. f. copper + -ous for cuprous.]
1. Of the nature of, or affected with, the disease Acne rosacea or copper-nose.
| 1541 R. Copland Guydon's Quest. Chirurg. Q iv b, Blacke coperous skal and scabbe in the face. 1544 T. Phaer Regim. Lyfe (1546) C j, A general diete for al copperous faces. |
2. Of or belonging to copperas or vitriol.
| 1646 Sir T. Browne Pseud. Ep. vi. xii. 336 A vitriolous or copperous quality; for vitrioll is the active..ingredient in Inke. |
3. ? Coppery, cuprous.
| 1834 Beckford Italy II. 8 Funnels that exhale warm copperous vapours. |