magnesium

noun

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

All models get a flagship-worthy magnesium-alloy chassis that’s both thin and strong. — Melissa Riofrio, PCWorld, "Dell brings fancy features to the Inspiron 15 7000 and Inspiron 13 5000," 28 May 2019 This step, called reverse osmosis, removes ions smaller than magnesium and sulphate, particularly the sodium and chloride ions that make up common salt and that give seawater its characteristic taste. — The Economist, "A membrane that can remove salts from water more efficiently," 3 May 2018 For instance, muds that contain sulfur have antibacterial and antifungal properties, zinc has wound healing and anti-acne effects, magnesium helps the body repair damaged DNA and is important in reducing inflammation. — Zoe Weiner, Allure, "I Bathed in Colombia’s “Volcano of Youth” and My Skin Has Never Felt Softer," 23 Oct. 2018 Fertilize Your Garden Coffee grounds are a source of potassium, nitrogen, magnesium, calcium, and other trace minerals plants love. — Heidi Davis, Popular Mechanics, "10 Things You Didn't Know You Could Do With Coffee," 29 Sep. 2014 As Kattan explains in her Instagram Stories, the lightweight, oil-free primer contains 60 percent water, is mineral-based, and is formulated with magnesium and potassium to help absorb oil. — Macaela Mackenzie, Allure, "The New Huda Beauty Matte Perfection Primer Is Made Especially for Oily and Acne-Prone Skin," 19 July 2018 Help lower blood pressure: The potassium, calcium, and magnesium in kale and other veggies help counterbalance the effects of sodium that can lead to hypertension. — Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, "Kale Is Actually One of the Healthiest Things You Can Eat," 17 Dec. 2018 Acer says both magnesium alloys are up to four times stronger than standard aluminum alloys at the same thickness. — Mark Hachman, PCWorld, "Acer's new Swift 7 ultra-thin PC is even smaller, but adds Thunderbolt, Amber Lake and a clickpad," 6 Jan. 2019 Spinach is higher in magnesium, iron, and folate, which are important for muscle and tissue health. — Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, "Kale Is Actually One of the Healthiest Things You Can Eat," 17 Dec. 2018

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

5 Jun 2019

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Time Traveler for magnesium

The first known use of magnesium was in 1812

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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