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
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Magnesium salts like magnesium oxide are more likely to reduce iron absorption.
—
Jillian Kubala, Health, 7 Oct. 2025
Magnesium supplements usually contain only one type of magnesium, such as magnesium oxide.
—Karen Berger, Verywell Health, 30 May 2025
In another test, wet samples of calcium silicate and magnesium oxide were simply exposed to air.
—New Atlas, 2 Mar. 2025
Batteries made with magnesium are less flammable because a protective layer of magnesium oxide covers the metal.
—IEEE Spectrum, 7 Nov. 2014
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Jillian Kubala, Health, 7 Oct. 2025
Magnesium supplements usually contain only one type of magnesium, such as magnesium oxide.
—Karen Berger, Verywell Health, 30 May 2025
In another test, wet samples of calcium silicate and magnesium oxide were simply exposed to air.
—New Atlas, 2 Mar. 2025
Batteries made with magnesium are less flammable because a protective layer of magnesium oxide covers the metal.
—IEEE Spectrum, 7 Nov. 2014
See All Example Sentences for magnesium oxide
Cite this Entry
“Magnesium oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnesium%20oxide. Accessed 8 Oct. 2025.
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