-
- To save this word, you'll need to log in.
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
Minerals: Common minerals include calcium, magnesium, zinc, iron, and potassium, essential nutrients for bone health, muscle function, and other vital processes.
—Lindsay Curtis, Verywell Health, 22 Jan. 2025
Whole grains are also excellent sources of B vitamins and minerals like magnesium, contributing to heart health.
—Quora, Forbes, 17 Jan. 2025
For these reasons, Lee notes, magnesium can be an asset supporting skin health.
—Kristine Thomason, Vogue, 11 Jan. 2025
Along with avocado oil and squalane to lock in moisture, this calming formula also features magnesium, which has a myriad of benefits.
—Jamie Ballard, Allure, 10 Jan. 2025
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.
Word History
Etymology
New Latin, from magnesia
First Known Use
1812, in the meaning defined above
Phrases Containing magnesium
Dictionary Entries Near magnesium
Cite this Entry
“Magnesium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnesium. Accessed 4 Feb. 2025.
Kids 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
: 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
More from Merriam-Webster on magnesium
Nglish: Translation of magnesium for Spanish Speakers
Britannica.com: Encyclopedia article about magnesium
Love words? Need even more definitions?
Merriam-Webster unabridged
Share