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

Other readers have been enthusiastic about leaving milk of magnesia on their face overnight.

From Seattle Times • Nov. 15, 2023

A: There are no studies on milk of magnesia against dandruff, but several readers have praised it.

From Seattle Times • Sep. 21, 2022

She and some of her classmates started bringing along basic first-aid supplies, like bandages, gauze, and mixtures of milk of magnesia and water to counteract tear gas.

From New York Times • Jun. 9, 2020

Left were two dozen water bottles, some snacks and one bottle of milk of magnesia.

From Washington Post • Jun. 3, 2020

In his spare time, Louie crashed society weddings, worked as a movie extra, and harassed his housemates with practical jokes, replacing their deviled ham with cat food and milk with milk of magnesia.

From "Unbroken" by Laura Hillenbrand