aluminum hydroxide

American  

noun

Chemistry.

1. 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.

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Etymology

Origin of aluminum hydroxide

First recorded in 1870–75

Example Sentences

Its adjuvant—an ingredient that bolsters the immune response—is a combination of aluminum hydroxide and an imidazoquinolinone that has never been used in approved vaccines.

From Science Magazine • Jan. 5, 2021

The aluminum hydroxide tends to cause constipation, and some antacids use aluminum hydroxide in concert with magnesium hydroxide to balance the side effects of the two substances.

From Textbooks • Feb. 14, 2019

The next step is to remove the precipitated aluminum hydroxide by filtration.

From Textbooks • Feb. 14, 2019

When the hot lye cools in towering tanks, pure aluminum hydroxide separates from it and is ready to be baked and electrolyzed.

From Time Magazine Archive

Since it has laxative properties, some manufacturers combine it with aluminum hydroxide, which is also antacid but, taken alone, is slightly constipating.

From Time Magazine Archive