Word Study
roccus |
roccus saxatilis |
rocephin |
rochambeau |
roche |
roche alum
| roche moutonnée
| rochelime
| rochelle
| rochelle powder
| rochelle salt
roche alum
CIDE DICTIONARY
roche alum,
A kind of alum occuring in small fragments; -- so called from Rocca, in Syria, whence alum is said to have been obtained; -- also called rock alum . [1913 Webster]
For further exploring for "roche alum" in Webster Dictionary Online
