Thesaurus: magnesia

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1. n. 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.
2. n. a white solid mineral that occurs naturally as periclase; a source of magnesium
3. 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 Etym: [L.] (Med. Chem.), a bulky white amorphous substance, consisting of a hydrous basic carbonate of magnesium, and used as a mild cathartic.
4. A light earthy white substance, consisting of magnesium oxide,and obtained by heating magnesium hydrate or carbonate, or by burningmagnesium. It has a slightly alkaline reaction, and is used inmedicine as a mild antacid laxative. See Magnesium. Magnesia albaEtym: [L.] (Med. Chem.), a bulky white amorphous substance,consisting of a hydrous basic carbonate of magnesium, and used as amild cathartic.
5. n a white solid mineral that occurs naturally as periclase; a source of magnesium