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
The review found magnesium oxide supplements reduced bloating and abdominal discomfort for people with constipation.
—
Erica Sweeney, EverydayHealth.com, 14 Oct. 2025
Alongside psyllium, certain probiotic strains and magnesium oxide were found to help improve symptoms.
—Lucy Notarantonio, MSNBC Newsweek, 13 Oct. 2025
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
See All Example Sentences for magnesium oxide
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Erica Sweeney, EverydayHealth.com, 14 Oct. 2025
Alongside psyllium, certain probiotic strains and magnesium oxide were found to help improve symptoms.
—Lucy Notarantonio, MSNBC Newsweek, 13 Oct. 2025
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
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 27 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share