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magnesia |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Magnesia \Mag*ne"si*a\ (?; 277), n. [L. Magnesia, fem. of Magnesius of the country Magnesia, Gr ? ? ? a magnet. Cf {Magnet}.] (Chem.) 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.] (Med. Chem.), a bulky white amorphous substance, consisting of a hydrous basic carbonate of magnesium, and used as a mild cathartic. From WordNet r 1.6 [wn]: magnesia n : a white solid mineral that occurs naturally as periclase; a source of magnesium [syn: {periclase}, {magnesium oxide}]
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