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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 first step was examining the beads’ levels of magnesium oxide (MgO) and ratio of MgO to aluminum oxide (Al2O3).
—Tom Hawking, Popular Science, 5 Sep. 2024
Based on the Apollo samples, the researchers selected for beads that were high in magnesium oxide relative to calcium and aluminum oxides.
—John Timmer, Ars Technica, 5 Sep. 2024
Poor bioavailability means that your body may not fully absorb magnesium oxide supplements.6
Magnesium Malate
Magnesium malate is a type of supplement made from magnesium and malic acid (malate).
—Elizabeth Barnes, Verywell Health, 16 July 2024
Indeed, instead of turning to rust, as steel eventually does, magnesium breaks down into magnesium oxide.
—Bill McKibben, The New Yorker, 27 June 2024
See all Example Sentences for magnesium oxide
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
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 1 Oct. 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
Britannica.com: Encyclopedia article about magnesium oxide
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