magnesium
noun
mag·ne·sium
mag-ˈnē-zē-əm 
-zhəm
: a silver-white malleable ductile light metallic element that occurs abundantly in nature and is used in metallurgical and chemical processes, in photography, signaling, and pyrotechnics because of the intense white light it produces on burning, and in construction especially in the form of light alloys see Chemical Elements Table
Examples of magnesium in a Sentence
Recent Examples on the Web
Key Ingredients: Magnesium Size: 8 fluid ounces What is the benefit of topical magnesium?
—
Kristine Thomason, Vogue, 11 Jan. 2025
In fact, research conducted by the USDA found no substantial differences in mineral content between well water (which isn’t subject to municipal treatment) and tap water, and a separate study found that tap water across the US can contain high amounts of calcium, magnesium, and sodium.
—Erica Sloan, SELF, 10 Jan. 2025
The ultimate guide to earning passive income online The health benefits of my breakfast
The meal is filled with nutrients like iron, iodine, potassium, calcium, magnesium and B, C and K vitamins.
—Michiko Tomioka, Contributor, CNBC, 5 Jan. 2025
Take 300 to 400 mg of magnesium, as alcohol depletes magnesium.
—Emily Peck, WIRED, 31 Dec. 2024
See all Example Sentences for magnesium 
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.
Kristine Thomason, Vogue, 11 Jan. 2025
In fact, research conducted by the USDA found no substantial differences in mineral content between well water (which isn’t subject to municipal treatment) and tap water, and a separate study found that tap water across the US can contain high amounts of calcium, magnesium, and sodium.
—Erica Sloan, SELF, 10 Jan. 2025
The ultimate guide to earning passive income online The health benefits of my breakfast
The meal is filled with nutrients like iron, iodine, potassium, calcium, magnesium and B, C and K vitamins.
—Michiko Tomioka, Contributor, CNBC, 5 Jan. 2025
Take 300 to 400 mg of magnesium, as alcohol depletes magnesium.
—Emily Peck, WIRED, 31 Dec. 2024
See all Example Sentences for magnesium
Dictionary Entries Near magnesium
Cite this Entry
“Magnesium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnesium. Accessed 23 Jan. 2025.
Copy CitationKids Definition
magnesium
noun
mag·ne·sium
mag-ˈnē-zē-əm
-zhəm
: a silver-white metallic element that is light and easily worked, burns with a dazzling light, and is used in making lightweight alloys see element
Medical Definition
magnesium
noun
mag·ne·sium
mag-ˈnē-zē-əm
-zhəm
-zhəm
: a silver-white light malleable ductile metallic element that occurs abundantly in nature (as in bones and seeds and in the form of chlorophyll in the green parts of plants) and is used in metallurgical and chemical processes, in photography, in signaling, and in the manufacture of pyrotechnics because of the intense white light it produces on burning, and in construction especially in the form of light alloys
—symbol Mg
see Chemical Elements Table
Love words? Need even more definitions?
Merriam-Webster unabridged
Share