ALUMINA
| Pronunciation: | | u'loomunu
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| Matching Terms: | | aluminate, Aluminated, Alumine, Aluminic, aluminiferous, Aluminiform, aluminise, aluminium, aluminium bronze, aluminium chloride, aluminium foil, aluminium hydroxide, aluminium oxide, aluminize, Aluminography, Aluminous, Aluminum, Aluminum Book, aluminum bronze, aluminum business, aluminum chloride, aluminum foil, aluminum hydroxide, aluminum industry, aluminum oxide
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 WordNet Dictionary |
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| | Definition: | | [n] any of various forms of aluminum oxide occurring naturally as corundum |
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| | Synonyms: | | aluminium oxide, aluminum oxide |
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| | See Also: | | alundum, corundom, corundum, furnace lining, refractory | |
| Webster's 1913 Dictionary |
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| | Definition: | | \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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| Medical Dictionary |
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| | Definition: | | Another term for aluminum oxide or hydrated aluminum oxide. |
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