RHUSMA
Source: 567
Rhus″ma (?), n. [[See Rusma.]] A mixtire of caustic lime and orpiment, or tersulphide of arsenic, — used in the depilation of hides. Knight.
Source: 567
Rhus″ma (?), n. [[See Rusma.]] A mixtire of caustic lime and orpiment, or tersulphide of arsenic, — used in the depilation of hides. Knight.