Definition of Alumina

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

Exact synonyms: Aluminium Oxide, Aluminum Oxide
Substance meronyms: Furnace Lining, Refractory
Generic synonyms: Corundom, Corundum
Specialized synonyms: Alundum

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

alular
alulas
alum
alum-haematoxylin
alum compounds
alum rock
alum root
alum shale
alum stone
alum stones
alumane
alumbloom
alumen
alumian
alumin
alumina (current term)
aluminas
aluminate
aluminated
aluminates
alumine
alumines
aluminian
aluminic
aluminic acid
aluminide
aluminides
aluminiferous
aluminiform
aluminio-

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