Ep'som Salt
(Med.) Sulphate of magnesia having cathartic qualities;— originally prepared by boiling down the mineral waters at Epsom, England, whence the name; now prepared from sea-water. Hoblyn.
(Med.) Sulphate of magnesia having cathartic qualities;— originally prepared by boiling down the mineral waters at Epsom, England, whence the name; now prepared from sea-water. Hoblyn.