| a white, water-soluble salt, MgSO4, used chiefly in medicine and in the processing of leather and textiles. |
| magnesium sulfate n. A colorless, crystalline compound, MgSO4, used in fireproofing, ceramics, matches, explosives, and fertilizers. |
magnesium sulfate n.
A colorless crystalline compound used as a cathartic and applied locally as an anti-inflammatory agent.