magnesium oxide

noun

: a white highly infusible compound MgO used especially in refractories, cements, insulation, and fertilizers, in rubber manufacture, and in medicine as an antacid and mild laxative

Examples of magnesium oxide in a Sentence

Recent Examples on the Web Magnesium lactate, magnesium oxide, and magnesium glycinate are all examples of magnesium supplements.33 13. Cristina Mutchler, Health, 28 Jan. 2024 Magnesium There are three magnesium types Attia takes: magnesium oxide, magnesium chloride, and magnesium L-threonate. Sean Evans, Robb Report, 14 Jan. 2024 Attia takes 400 to 500 milligrams of magnesium oxide daily, when not fasting. Sean Evans, Robb Report, 14 Jan. 2024 Myricks developed the ingredient (a mixture of magnesium oxide and carbon dioxide that soaks up oils and blurs pores, similarly to a powder) along with a team of teachers at Sweden's Uppsala University. Annie Blay, Allure, 3 Oct. 2023 On top of that, most studies used magnesium lactate or magnesium oxide supplements, which may also minimize symptoms of anxiety, according to the 2017 review. Andi Breitowich, Women's Health, 3 Sep. 2023 Small studies have also found that magnesium oxide might help with migrane headaches. Cori Ritchey, Men's Health, 29 Aug. 2023 What This Means For You The ACG and AGA now recommend magnesium oxide and senna as treatment options for chronic idiopathic constipation. Alyssa Hui, Verywell Health, 2 June 2023 While any form of magnesium—including magnesium rich foods—can offer some level of effect related to bowel movements, magnesium oxide is commonly used for occasional constipation because it’s not absorbed well by the body. Willow Jarosh, Ms, Rd, Health, 27 June 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'magnesium oxide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1866, in the meaning defined above

Time Traveler
The first known use of magnesium oxide was in 1866

Dictionary Entries Near magnesium oxide

Cite this Entry

“Magnesium oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnesium%20oxide. Accessed 26 Feb. 2024.

Kids Definition

magnesium oxide

noun
: a white earthy solid that consists of magnesium and oxygen and is used especially in fertilizers and rubber, as a mild laxative, and against acid in the stomach

Medical Definition

magnesium oxide

noun
: a white highly infusible compound MgO used especially in refractories, cements, insulation, and fertilizers, in rubber manufacture, and in medicine as an antacid and mild laxative

More from Merriam-Webster on magnesium oxide

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!