About The Word Alumina
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Alumina
| Alumina Definition And Meaning |
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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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