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
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Adaptogenic herbs and supplements: Natural compounds like ashwagandha, Rhodiola rosea, and magnesium have been studied for their role in stress modulation, although more research is needed to confirm efficacy and safety.
—
Jesse Pines, Forbes, 12 Mar. 2025
When hard water enters the mineral tank, the calcium, iron, and magnesium minerals are attracted to the charge of the resin beads.
—Timothy Dale, Better Homes & Gardens, 11 Mar. 2025
The Tolerable Upper Intake Level (UL) for magnesium supplements in adults is 350 milligrams.
—Kirstyn Hill, Pharmd, Mph, Health, 9 Mar. 2025
These Magnesium Oxide tablets deliver 250 mg of magnesium per serving to support muscle function and bone health.
—Allison Palmer, Miami Herald, 3 Mar. 2025
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Jesse Pines, Forbes, 12 Mar. 2025
When hard water enters the mineral tank, the calcium, iron, and magnesium minerals are attracted to the charge of the resin beads.
—Timothy Dale, Better Homes & Gardens, 11 Mar. 2025
The Tolerable Upper Intake Level (UL) for magnesium supplements in adults is 350 milligrams.
—Kirstyn Hill, Pharmd, Mph, Health, 9 Mar. 2025
These Magnesium Oxide tablets deliver 250 mg of magnesium per serving to support muscle function and bone health.
—Allison Palmer, Miami Herald, 3 Mar. 2025
See All Example Sentences for magnesium
Cite this Entry
“Magnesium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnesium. Accessed 24 Mar. 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
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