carbonate of magnesia

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• Magnesia — Mag*ne si*a (?; 277), n. [L. Magnesia, fem. of Magnesius of the country Magnesia, Gr. h Magnhsi a li qos a magnet. Cf. {Magnet}.] (Chem.) A light earthy white substance, consisting of magnesium oxide ({MgO}), and obtained by heating magnesium… …   The Collaborative International Dictionary of English

• Magnesia alba — Magnesia Mag*ne si*a (?; 277), n. [L. Magnesia, fem. of Magnesius of the country Magnesia, Gr. h Magnhsi a li qos a magnet. Cf. {Magnet}.] (Chem.) A light earthy white substance, consisting of magnesium oxide ({MgO}), and obtained by heating… …   The Collaborative International Dictionary of English

• Magnesia (disambiguation) — *Magnesia, deriving from the Macedonian tribe name Magnetes, is the name of the southeastern area of Thessaly in central Greece. * Magnesia was also the name of two cities in ancient Lydia (modern Turkey) founded by Greek Magnesians. **One of… …   Wikipedia

• magnesia — (n.) late 14c., in alchemy, main ingredient of the philosopher s stone, from M.L. magnesia, from Gk. (he) Magnesia (lithos) the lodestone, lit. (the) Magnesian (stone), from Magnesia, region in Thessaly, which is said to be named for the native… …   Etymology dictionary

• magnesia — [mag nē′zhə, mag nēshə] n. [ModL magnesia (alba), lit., (white) magnesia (in contrast to ML magnesia, a black mineral < LGr magnēsia < Magnēsia,MAGNESIA): term substituted by F. Hoffmann (1660 1742), Ger physician, for ModL magnes carneus,… …   English World dictionary

• magnesia — ► NOUN 1) magnesium oxide. 2) hydrated magnesium carbonate used as an antacid and laxative. ORIGIN Greek, denoting a mineral from Magnesia in Asia Minor …   English terms dictionary

• magnesia —   n. magnesium oxide, used as antacid and insulating material.    ♦ magnesia alba, a carbonate of magnesium, used as mild purge.    ♦ magnesia magma, milk of magnesia.    ♦ magnesian, a.    ♦ magnesic, a …   Dictionary of difficult words

• magnesia — [mag ni:ʒə, zɪə, ʃə] noun Chemistry magnesium oxide. [MgO.] ↘hydrated magnesium carbonate used as an antacid and laxative. Derivatives magnesian adjective Origin ME: via med. L. from Gk Magnēsia, denoting a mineral from Magnesia in Asia Minor …   English new terms dictionary

• magnesia — n. 1 Chem. magnesium oxide. 2 (in general use) hydrated magnesium carbonate, a white powder used as an antacid and laxative. Derivatives: magnesian adj. Etymology: ME f. med.L f. Gk Magnesia (lithos) (stone) of Magnesia in Asia Minor, orig.… …   Useful english dictionary

• Magnesia — Named after a town in present day Turkey where an ore containing magnesium carbonate was mined. Milk of Magnesia, the laxative, is magnesium hydroxide. * * * SYN: magnesium oxide. [see magnesium] calcined m. SYN: magnesium oxide. m. magma SYN:… …   Medical dictionary

• magnesia alba — ˈalbə noun Etymology: New Latin, literally, white magnesia : magnesium carbonate b …   Useful english dictionary