aluminate

American  

[uh-loo-muh-nit, -neyt] / əˈlu məˌnɪt, -ˌneɪt /

noun

1. Chemistry. a salt of the acid form of aluminum hydroxide, containing the group AlO 2 − or AlO 3 −3 .

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aluminate British  

/ əˈluːmɪneɪt /

noun

1. a salt of the ortho or meta acid forms of aluminium hydroxide containing the ions AlO 2 ^– or AlO 3 ^3–

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Etymology

Origin of aluminate

First recorded in 1725–35; alumin- + -ate ²

Example Sentences

Though the metal itself is toxic, in mineral form it has high chemical and thermal stability, and those properties make cobalt aluminate one of the only pigments suitable for high-temperature applications, including pottery glazes.

From Science Daily • Feb. 22, 2024

Eons later, in 1739, Louis-Jacques Thénard discovered how to make cobalt aluminate, better known as cobalt blue.

From Scientific American • Jul. 4, 2023

These alternatives include alkali-activated cements and biocements generated by algae or microbes, as well as cements made from magnesium phosphate, calcium aluminate or calcium sulfoaluminate.

From Scientific American • Feb. 9, 2023

After the removal of the impurities by filtration, the addition of acid to the aluminate leads to the reprecipitation of aluminum hydroxide:

From Textbooks • Feb. 14, 2019

Under the influence of the high temperature the silica of the crucible gradually decomposes the lead aluminate, forming lead silicate, which remains in the liquid state, and alumina, which crystallizes as white sapphire.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various