magnesia
/mægˈniːʃə/noun
mass noun
1- Chemistry magnesium oxide【化】苦土, 氧化镁。
1.1
- Chem. formula: MgO.化学分子式： MgO.
1.2
- hydrated magnesium carbonate used as an antacid and laxative（用作抗酸剂和轻泻剂的）水合碳酸镁。
词源
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.