magnesium
noun
mag·ne·sium
| \ mag-ˈnē-zē-əm
, -zhəm\
, -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
Plus, pumpkin seeds are nutritional powerhouses, with about 7 grams of protein per quarter-cup serving, along with meaningful amounts of nutrients, like zinc, magnesium, and iron. — Samantha Cassetty, NBC News, "Back to school: 9 lower-sugar snacks and treats for kids you can feel good about," 21 Aug. 2019 If your soil is deficient in magnesium, Epsom salts can provide it, acting like a fertilizer. — oregonlive.com, "Can household vinegar kill dandelions? Ask an expert," 17 Aug. 2019 Data later gleaned from the high-end W. M. Keck Observatory on the dormant volcano Maunakea in Hawaii showed that whatever was on Europa was missing key fingerprints found in magnesium. — David Grossman, Popular Mechanics, "The Yellow Part of Jupiter's Watery Moon? That's Table Salt, NASA Says," 13 June 2019 As a materials scientist at the University of Washington and Pacific Northwest National Lab, my work has helped explore new materials for lithium-air batteries, magnesium batteries and of course lithium-ion batteries. — Robert Masse, The Conversation, "How do lithium-ion batteries work?," 15 July 2019 The aluminum and magnesium tip reaches 1,800 degrees when lit, a temperature hot enough to melt metal. — Molly Korzenowski, Twin Cities, "How to keep friends, family — and dogs — safe this Fourth of July," 2 July 2019 Both provide bonus antioxidants and key nutrients, like vitamin D and choline in egg yolk, and vitamins E, K, and magnesium in avocado. — Cynthia Sass, Mph, Health.com, "7 Healthy Late-Night Snacks," 3 July 2019 But in contrast to chondrites, Earth's upper mantle has a relatively low amount of silicon compared to its magnesium. — National Geographic, "Rugged 'mountains' taller than Everest lurk deep inside Earth," 25 Mar. 2019 More lightweight magnesium is used for a beam that runs across the vehicle behind the dashboard. — Mark Phelan, Detroit Free Press, "Why Ford walked away from all-aluminum bodies for new 2020 Explorer," 6 July 2019These 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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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\
, -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
\
, -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
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