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magnesium hydroxide

noun

Definition of magnesium hydroxide

: a slightly alkaline crystalline compound Mg(OH)2 used especially as a laxative and gastric antacid

First Known Use of magnesium hydroxide

circa 1909, in the meaning defined above

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More Definitions for magnesium hydroxide

magnesium hydroxide

noun

Medical Definition of magnesium hydroxide

: a slightly alkaline crystalline compound Mg(OH)2 that is obtained by hydration of magnesia or by precipitation (as from seawater by lime in the production of magnesium chloride) as a white nearly insoluble powder and is used chiefly in medicine as an antacid and laxative — see milk of magnesia

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