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hydrated alumina

aluminum hydroxide

noun, Chemistry.
a crystalline, water-insoluble powder, Al(OH) 3 or Al 2 O 3 ⋅3H 2 O, obtained chiefly from bauxite: used in the manufacture of glass, ceramics, and printing inks, in dyeing, and in medicine as an antacid and in the treatment of ulcers.
Also called alumina trihydrate, aluminum hydrate, hydrated alumina.
Origin of aluminum hydroxide
First recorded in 1870-75 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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