magnesium

noun

mag·​ne·​sium mag-ˈnē-zē-əm How to pronounce magnesium (audio)
-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
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.
In addition to fats and vitamins, almonds are also rich in magnesium, a mineral that is key for many body functions, like nerve function, bone strength, and metabolism. Margaux Anbouba, Vogue, 8 Jan. 2025 Brown rice has over twice the fiber, vitamin B6, and magnesium of white rice—plus more of other essential nutrients. Johna Burdeos, Health, 8 Jan. 2025 The harder the water, the more minerals like magnesium and calcium are in it. Nafeesah Allen, Better Homes & Gardens, 5 Jan. 2025 Kale Kale is a good source of vitamins A, K, and C, folate, and important minerals like calcium, potassium, and magnesium. Lindsey Desoto, Rd, Ld, Verywell Health, 3 Jan. 2025 See all Example Sentences for magnesium 

Word History

Etymology

New Latin, from magnesia

First Known Use

1812, in the meaning defined above

Time Traveler
The first known use of magnesium was in 1812

Dictionary Entries Near magnesium

Cite this Entry

“Magnesium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnesium. Accessed 18 Jan. 2025.

Kids Definition

magnesium

noun
mag·​ne·​sium mag-ˈnē-zē-əm How to pronounce magnesium (audio)
-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 How to pronounce magnesium (audio) -zhəm How to pronounce magnesium (audio)
: 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!