About The Word Alumina

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Alumina

Alumina Meaning & Definition
Alumina Definition And Meaning

What's The Definition Of Alumina?

[n] any of various forms of aluminum oxide occurring naturally as corundum

Synonyms | Synonyms for Alumina: aluminium oxide | aluminum oxide

Related Terms | Find terms related to Alumina:

See Also | alundum | corundom | corundum | furnace lining | refractory

Alumina In Webster's Dictionary

\A*lu"mi*na\, n. [L. alumen, aluminis. See {Alum}.] (Chem.) One of the earths, consisting of two parts of aluminium and three of oxygen, {Al2O3}. Note: It is the oxide of the metal aluminium, the base of aluminous salts, a constituent of a large part of the earthy siliceous minerals, as the feldspars, micas, scapolites, etc., and the characterizing ingredient of common clay, in which it exists as an impure silicate with water, resulting from the decomposition of other aluminous minerals. In its natural state, it is the mineral corundum.

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