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
This capsule delivers a powerful dose—360mg—of magnesium glycinate and malate.
—
Brianna Peters, Vogue, 6 Sep. 2025
Most legumes and pulses have less magnesium per serving than almonds.
—Merve Ceylan, Health, 4 Sep. 2025
Supplementing with magnesium may help reduce anxiety symptoms in women with PCOS, although more research is needed to confirm these effects.
—Team Verywell Health, Verywell Health, 4 Sep. 2025
Ola says the bike incorporates space-grade aluminum, carbon fiber, and magnesium, all of which should reduce curb weight and boost performance.
—New Atlas, 3 Sep. 2025
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Brianna Peters, Vogue, 6 Sep. 2025
Most legumes and pulses have less magnesium per serving than almonds.
—Merve Ceylan, Health, 4 Sep. 2025
Supplementing with magnesium may help reduce anxiety symptoms in women with PCOS, although more research is needed to confirm these effects.
—Team Verywell Health, Verywell Health, 4 Sep. 2025
Ola says the bike incorporates space-grade aluminum, carbon fiber, and magnesium, all of which should reduce curb weight and boost performance.
—New Atlas, 3 Sep. 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 10 Sep. 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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