magnesium carbonate

noun

: a carbonate of magnesium
especially : a white crystalline salt MgCO3 that occurs naturally as dolomite and magnesite

Examples of magnesium carbonate in a Sentence

Recent Examples on the Web
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For the darkroom acids, the home remedies included magnesium carbonate or pounded chalk dissolved in water. Anika Burgess july 17, Literary Hub, 17 July 2025 The limits are: Birth to 12 months: Refer to your healthcare provider 1-3 years: 65 milligrams (mg) per day 4-8 years: 110 mg 9+ years: 350 mg Taking more than the upper limit can increase the risk of side effects, and are more common with magnesium carbonate, chloride, gluconate, and oxide. Ashley Wong, Health, 27 May 2025 Magnesium forms commonly reported to cause diarrhea include magnesium carbonate, chloride, oxide, and gluconate. Alex Yampolsky, Health, 7 Apr. 2025 Kaolin, papain, tapioca starch, and magnesium carbonate are also featured to amplify these purifying effects. Kiana Murden, Vogue, 16 Dec. 2024 Airborne features magnesium in the forms of magnesium oxide and magnesium sulfate, while Emergen-C uses magnesium hydroxide and magnesium carbonate. Megan Nunn, Verywell Health, 10 Oct. 2024 In fact, magnesium carbonate is a common ingredient alongside calcium in antacid supplements to help calm stomach acid and alleviate heartburn. Casey Seiden, Parents, 24 Feb. 2024 Each teaspoon serving provides 350 mg of a blend of magnesium carbonate and chelate—85% Daily Value for magnesium. Willow Jarosh, Ms, Rd, Health, 27 June 2023 While both the carbonate and chelated forms of magnesium can boost your magnesium level, note that magnesium carbonate may have a laxative effect. Willow Jarosh, Ms, Rd, Health, 27 June 2023

Word History

First Known Use

1869, in the meaning defined above

Time Traveler
The first known use of magnesium carbonate was in 1869

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Cite this Entry

“Magnesium carbonate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnesium%20carbonate. Accessed 24 Jul. 2025.

Medical Definition

magnesium carbonate

noun
: a carbonate of magnesium
especially : the very white crystalline normal salt MgCO3 that occurs naturally, is prepared artificially by precipitation, and is used chiefly in paint and printing ink, as a filler, as an addition to table salt to prevent caking, and in medicine as an antacid and laxative

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