milk of magnesia

American  

noun

1. a milky white suspension in water of magnesium hydroxide, Mg (OH) 2 , used as an antacid or laxative.

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milk of magnesia British  

noun

1. a suspension of magnesium hydroxide in water, used as an antacid and laxative

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Etymology

Origin of milk of magnesia

First recorded in 1875–80; formerly trademark

Example Sentences

Do you have any details about how to use milk of magnesia?

From Seattle Times • Sep. 21, 2022

Months ago, you wrote about milk of magnesia on the scalp for seborrheic dermatitis.

From Seattle Times • Sep. 21, 2022

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

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