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
Brown rice is also higher in iron, magnesium, and potassium, and other micronutrients than white rice.
—
Brittany Lubeck, Verywell Health, 9 June 2026
Current phase-specific guidance points to iron-rich foods during menstruation to replace losses, lighter liver-supporting foods in the follicular phase, anti-inflammatory foods in the luteal phase and magnesium and B6 in the late luteal phase for PMS support.
—Allison Palmer, Fort Worth Star-Telegram, 8 June 2026
Eating guidance for cycle syncing focuses on iron during menstruation, lighter foods in the follicular phase, anti-inflammatory choices in the luteal phase and magnesium and B6 in the late luteal stretch for PMS support.
—Allison Palmer
june 8, Sacbee.com, 8 June 2026
Likely candidates would be rocky planets (like our own Earth), which tend to be rich in iron, silicon, magnesium, etc.
—Christopher McFadden, Interesting Engineering, 6 June 2026
See All Example Sentences for magnesium
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Brittany Lubeck, Verywell Health, 9 June 2026
Current phase-specific guidance points to iron-rich foods during menstruation to replace losses, lighter liver-supporting foods in the follicular phase, anti-inflammatory foods in the luteal phase and magnesium and B6 in the late luteal phase for PMS support.
—Allison Palmer, Fort Worth Star-Telegram, 8 June 2026
Eating guidance for cycle syncing focuses on iron during menstruation, lighter foods in the follicular phase, anti-inflammatory choices in the luteal phase and magnesium and B6 in the late luteal stretch for PMS support.
—Allison Palmer
june 8, Sacbee.com, 8 June 2026
Likely candidates would be rocky planets (like our own Earth), which tend to be rich in iron, silicon, magnesium, etc.
—Christopher McFadden, Interesting Engineering, 6 June 2026
See All Example Sentences for magnesium
Cite this Entry
“Magnesium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnesium. Accessed 14 Jun. 2026.
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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