magnesium

mag·ne·sium | \ mag-ˈnē-zē-əm

, -zhəm \

Definition of magnesium

: 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 The food is already a staple in several Asian cuisines and a high source of protein, iron and magnesium. — Priscilla Totiyapungprasert, The Arizona Republic, "'Don't be scared to season that': Meet the father-son duo behind Arizona's new tofu company," 5 Dec. 2020 That said, wood ashes do contain lots of essential elements, especially calcium, magnesium and potassium, and usually can be added to soil and compost piles. — Jeff Lowenfels, Anchorage Daily News, "How to choose poinsettias and Christmas trees," 3 Dec. 2020 Plus, spinach is packed with vitamins A, C, and K, and is a good source of minerals like iron, magnesium, potassium, and manganese. — Audrey Bruno, SELF, "45 Delicious Spinach Recipes for Getting Your Greens," 15 Oct. 2020 Heavier stars live much shorter lives, only 10 million years or so, yet manufacture a much longer chain of elements: oxygen, carbon, neon, nitrogen, magnesium, silicon and even iron. — Anna Y. Q. Ho, Scientific American, "Strange Supernovae Upend Expectations," 26 Nov. 2020 Researchers then measured how much iron, magnesium, and more than a dozen other elements the bacteria can pull out of the rock samples. — Popular Science, "These rock-eating microbes could help us settle the Moon and Mars," 11 Nov. 2020 While those bright old stick magnesium flares are great standby’s, the newer LED versions are better for the environment, crushproof, water-resistant, and safer than traditional flares. — Jennifer Jolly, USA TODAY, "Road trip in the pandemic? These are some of the best tech tools if you have to travel," 12 Dec. 2020 The lithium-ion cells will continue to use nickel-magnesium-cobalt chemistry, at least until such time as other cell chemistries prove superior. — Jonathan M. Gitlin, Ars Technica, "Everything we know about Hyundai and Kia’s new electric vehicle platform," 2 Dec. 2020 Wilson and her colleagues sprayed the mine’s ultramafic rock tailings with dilute sulfuric acid, causing magnesium to leach out. — Robert F. Service, Science | AAAS, "Industrial waste can turn planet-warming carbon dioxide into stone," 3 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'magnesium.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Last Updated

16 Jan 2021

Cite this Entry

“Magnesium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnesium. Accessed 24 Jan. 2021.

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More Definitions for magnesium

magnesium

noun

English Language Learners Definition of magnesium

: a silver-white metallic element that produces a very bright white light when it burns

See the full definition for magnesium in the English Language Learners Dictionary

magnesium

noun

mag·ne·sium | \ mag-ˈnē-zē-əm

, -ˈnē-zhəm \

Kids Definition of magnesium

: a silvery white metallic chemical element that is lighter than aluminum and is used in lightweight alloys

magnesium

noun

mag·ne·sium | \ mag-ˈnē-zē-əm

, -zhəm

Medical Definition of magnesium

: 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