Lexic.us

Definition of Alumina

1. Noun. Any of various forms of aluminum oxide occurring naturally as corundum.

Definition of Alumina

1. n. One of the earths, consisting of two parts of aluminium and three of oxygen, Al₂O₃.

Definition of Alumina

1. Noun. Aluminum oxide used especially in mining, material sciences and ceramics. ¹

¹ Source: wiktionary.com

Definition of Alumina

1. an oxide of aluminum [n -S]

Medical Definition of Alumina

1. One of the earths, consisting of two parts of aluminium and three of oxygen, Al2O3. 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 characterising 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. Origin: L. Alumen, aluminis. See Alum. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Alumina

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