| magnesia magma | Mixture of magnesium hydroxide; an aqueous solution of magnesium hydroxide, used as an antacid and laxative. Synonym: magnesia magma. (05 Mar 2000) |
|---|
| magma | 1. Any crude mixture of mineral or organic matters in the state of a thin paste. 2. <medicine> A thick residuum obtained from certain substances after the fluid parts are expressed from them; the grounds which remain after treating a substance with any menstruum, as water or alcohol. A salve or confection of thick consistency. 3. <geology> The molten matter within the earth, the source of the material of lava flows, dikes of eruptive rocks, etc. The glassy base of an eruptive rock. 4. <chemistry> The amorphous or homogenous matrix or ground mass, as distinguished from well-defined crystals; as, the magma of porphyry. Origin: L, fr. Gr, fr. To squeeze, knead. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| calcined magnesia | <chemical> Magnesium oxide (mgo). An inorganic compound that occurs in nature as the mineral periclase. In aqueous media combines quickly with water to form magnesium hydroxide. It is used as an antacid and mild laxative and has many nonmedicinal uses. Pharmacological action: antacids, cathartic. Chemical name: Magnesium oxide (MgO) (12 Dec 1998) |
| magnesia | <chemistry> A light earthy white substance, consisting of magnesium oxide, and obtained by heating magnesium hydrate or carbonate, or by burning magnesium. It has a slightly alkaline reaction, and is used in medicine as a mild antacid laxative. See Magnesium. Magnesia alba [L. <medicine> A bulky white amorphous substance, consisting of a hydrous basic carbonate of magnesium, and used as a mild cathartic. Origin: L. Magnesia, fem. Of Magnesius of the country Magnesia, Gr. A magnet. Cf. Magnet. Source: Websters Dictionary (01 Mar 1998) |
| magnesia and alumina oral suspension | A mixture of magnesium hydroxide and variable amounts of aluminum oxide; used as an antacid. (05 Mar 2000) |
| milk of magnesia | Mixture of magnesium hydroxide; an aqueous solution of magnesium hydroxide, used as an antacid and laxative. Synonym: magnesia magma. (05 Mar 2000) |