Definition of magnesium carbonate
: a carbonate of magnesium; especially : a white crystalline salt MgCO3 that occurs naturally as dolomite and magnesite
First Known Use of magnesium carbonate
Medical Definition of 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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