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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.


Magnesia 2 American  
[mag-nee-shee-uh, -zhee-uh] / mægˈni ʃi ə, -ʒi ə /

noun

  1. ancient name of Manisa.


magnesia British  
/ mæɡˈniːʃə, mæɡˈniːsɪk /

noun

  1. another name for magnesium oxide

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

magnesia Scientific  
/ măg-nēzhə /
  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.


Other Word Forms

  • magnesian adjective

Etymology

Origin of magnesia

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If the diarrhea goes away and then returns after reintroducing topical applications of milk of magnesia, this remedy is not for you.

From Seattle Times • Oct. 19, 2022

I do use amber Listerine and also milk of magnesia.

From Seattle Times • Jul. 28, 2021

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

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

From Washington Post • Jun. 2, 2020

You can get absolutely anything you need in the stores: Breck Special Formulated Shampoo, Phillips’ milk of magnesia, Campbell’s tomato soup, honestly you name it!

From "The Poisonwood Bible" by Barbara Kingsolver