or /mhw>, n. [ Ger., fr. abräumen to remove. ] A red ocher used to darken mahogany and for making chloride of potassium. [ 1913 Webster ]

Crude potash. De Colange. [ 1913 Webster ]

{ or . (Med.) Sulphate of magnesia having cathartic qualities; -- originally prepared by boiling down the mineral waters at Epsom, England, -- whence the name; afterwards prepared from sea water; but now from certain minerals, as from siliceous hydrate of magnesia. [ 1913 Webster ]

it>or /mhw>. [ G. glaubersalz, from Glauber, a German chemist who discovered it. See Glauberite. ] Sulphate of soda, a well-known cathartic. It is a white crystalline substance, with a cooling, slightly bitter taste, and is commonly called “salts.” [ 1913 Webster ]

☞ It occurs naturally and abundantly in some mineral springs, and in many salt deposits, as the mineral mirabilite. It is manufactured in large quantities as an intermediate step in the “soda process, ” and also for use in glass making. [ 1913 Webster ]

. An aromatic preparation of carbonate of ammonia and, often, some scent, to avoid or relieve faintness, headache, or the like. [ Webster 1913 Suppl. ]