Dictionary.com
Thesaurus.com
Jump To:

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

Derived Forms

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.

However, my daughter-in-law who is an RN says that milk of magnesia is very hard on the kidneys.

From Seattle Times • Feb. 21, 2024

One suggested applying milk of magnesia to the face, followed by aloe and sunscreen.

From Seattle Times • Nov. 15, 2023

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

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "magnesia" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com