Chem. formula: MgO 化学分子式: MgO ■hydrated magnesium carbonate used as an antacid and laxative (用作抗酸剂和轻泻剂的)水合碳酸镁
语源
late Middle English (referring to a mineral said to be an ingredient of the philosopher's stone): via medieval Latin from Greek Magnēsia, denoting a mineral from Magnesia in Asia Minor