magnesium carbonate


: 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 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 The results suggested that as rain soaks into cracks in the ground, CO2 dissolved in the rainwater pairs up with magnesium atoms, forming magnesium carbonate veins, until the small amount of gas in the water quickly runs out. Douglas Fox, Scientific American, 1 July 2021 There, in a 33.5 meter tower, a CO2-rich flue gas mixed with seawater droplets to form the calcium and magnesium carbonates that would be the stuff of cement. IEEE Spectrum, 16 Aug. 2012 Normally, the reaction happens too slowly to be useful, but injecting carbon dioxide into the rock at high pressure would speed things up considerably; the formation of magnesium carbonate could cause the rock to expand and crack, with the increased surface area spurring the reaction to continue. Lindsey Konkel, Discover Magazine, 9 Feb. 2010 Limestone in the mix keeps the pH neutral (ideal conditions for the majority of plants), thanks to a blend of calcium carbonate, and magnesium carbonate. Renee Freemon Mulvihill, Better Homes & Gardens, 14 Feb. 2023 The powder contains only magnesium (as magnesium carbonate), with a potency of 325 mg per 4 grams of powder. Amber Smith, Discover Magazine, 11 Oct. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'magnesium carbonate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1869, in the meaning defined above

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

Dictionary Entries Near magnesium carbonate

Cite this Entry

“Magnesium carbonate.” Dictionary, Merriam-Webster, Accessed 21 Apr. 2024.

Medical Definition

magnesium carbonate

: 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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