magnesium hydroxide

noun

, Chemistry.

1. a white, crystalline, slightly water-soluble powder, Mg(OH) 2 , used chiefly in medicine as an antacid and as a laxative.

Word History and Origins

Origin of magnesium hydroxide¹

First recorded in 1905–10

Example Sentences

Water decomposes it with liberation of ammonia and formation of magnesium hydroxide.

From Project Gutenberg

A paste of magnesium hydroxide and water slowly absorbs carbon dioxide from the air and becomes very hard.

From Project Gutenberg