magnesia

¹ American  

[mag-nee-zhuh, -shuh] / mægˈni ʒə, -ʃə /

noun

1. a white, tasteless substance, magnesium oxide, MgO, used in medicine as an antacid and laxative.

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Magnesia ² American  

[mag-nee-shee-uh, -zhee-uh] / mægˈni ʃi ə, -ʒi ə /

noun

1. ancient name of Manisa.

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magnesia British  

/ mæɡˈniːʃə, mæɡˈniːsɪk /

noun

1. another name for magnesium oxide

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magnesia Scientific  

/ măg-nē′zhə /

1. A white powder with a very high melting point. It is used to make heat-resistant materials, electrical insulators, cements, fertilizer, and plastics. It is also used in medicine as an antacid and laxative. Chemical formula: MgO.

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Other Word Forms

• magnesian adjective

Etymology

Origin of magnesia

1350–1400; Middle English: philosophers' stone < Medieval Latin magnēsia < Greek ( hē ) Magnēsía ( líthos ) (the stone) of Magnesia; sense development obscure

Example Sentences

I do use amber Listerine and also milk of magnesia.

From Seattle Times • Jul. 28, 2021

For me, the milk of magnesia seems especially effective in fighting the rash.

From Seattle Times • Jul. 28, 2021

She distributed goggles, masks, first-aid supplies and milk of magnesia, which is diluted with water to ease the sting of tear gas.

From New York Times • Jun. 2, 2020

But then some people we’d never met saw us and said, we have some milk of magnesia.

From Washington Post • Jun. 2, 2020

I swigged back the liquid in one go like you do milk of magnesia.

From "Black Swan Green" by David Mitchell