especially: a white crystalline salt MgCO3 that occurs naturally as dolomite and magnesite
Example Sentences
Recent Examples on the WebFrictionLabs's chunky and fine chalks contain purer magnesium carbonate than other chalks. Jacqueline Detwiler-george, Popular Mechanics, 16 Mar. 2021 As a type of metamorphic rock that’s generally not foliated (AKA not comprised of layers of stone), quality marble is often made of either calcium carbonate or magnesium carbonate. Kelly Dawson, House Beautiful, 5 Feb. 2019
Word History
First Known Use
1869, in the meaning defined above
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