English Dictionary: Magnesia | by the DICT Development Group |
2 results for Magnesia | |
From WordNet (r) 3.0 (2006) [wn]: | |
| |
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. |