magnesium oxide
Americannoun
noun
Etymology
Origin of magnesium oxide
First recorded in 1905–10
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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.
The advice says drinking water high in minerals is better for constipation than tap water, and magnesium oxide supplements are good for improving symptoms.
From BBC ● Oct. 13, 2025
The magnesium formed a thin layer of magnesium oxide on the tantalum surface that appears to keep oxygen from getting through.
From Science Daily ● Feb. 5, 2024
That reaction would leave magnesium oxide powder, which when spread thin would rapidly react with CO2 from the atmosphere, re-forming magnesite, completing a cycle that could be repeated over and over.
From Science Magazine ● Sep. 3, 2020
When magnesium burns in air a white flaky ash of magnesium oxide is produced.
From Textbooks ● Feb. 14, 2019
The cement shall not contain more than 1.75% of anhydrous sulphuric acid, nor more than 4% of magnesium oxide.
From Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Federal Investigations of Mine Accidents, Structural Materials and Fuels. Paper No. 1171 by Herbert M. Wilson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.