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aluminum hydroxide

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noun Chemistry.

a crystalline, water-insoluble powder, Al(OH)3 or Al2O3⋅3H2O, 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.

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Also called alumina trihydrate, aluminum hydrate, hydrated alumina.

Origin of aluminum hydroxide

First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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