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alumina
a·lu·mi·na A0234600 (ə-lo͞o′mə-nə)n. Any of several forms of aluminum oxide, Al2O3, occurring naturally as corundum, in a hydrated form in bauxite, and with various impurities as ruby, sapphire, and emery, used in aluminum production and in abrasives, refractories, ceramics, and electrical insulation. Also called aluminum oxide.
[New Latin alūmina, from Latin alūmen, alūmin-, alum.]alumina (əˈluːmɪnə) n (Elements & Compounds) another name for aluminium oxide[C18: from New Latin, plural of Latin alūmen alum]a•lu•mi•na (əˈlu mə nə)
n. the natural or synthetic oxide of aluminum, Al2O3, occurring in nature in a pure crystal form as corundum. [1780–90; < Latin alūmin-, s. of alūmen alum1 + -a4] Thesaurus| Noun | 1. | alumina - any of various forms of aluminum oxide occurring naturally as corundumaluminium oxide, aluminum oxidefurnace lining, refractory - lining consisting of material with a high melting point; used to line the inside walls of a furnacecorundom, corundum - very hard mineral used as an abrasivealundum - a substance made of fused alumina |
Translationsalumina
alumina [ah-loo´mĭ-nah] aluminum oxide.(in pharmaceuticals) aluminum hydroxide.a·lu·mi·num ox·idea compound of aluminum used as an abrasive, as a refractory, and in chromatography. Synonym(s): aluminaa·lu·mi·na (ă-lū'mi-nă) One of the strongest white ceramic materials used in dental practice; an abrasive employed to strengthen porcelain or as a substructure for all ceramic crowns and bridges. [L. alumen, alum]alumina
Related to alumina: Activated aluminaSynonyms for aluminanoun any of various forms of aluminum oxide occurring naturally as corundumSynonyms- aluminium oxide
- aluminum oxide
Related Words- furnace lining
- refractory
- corundom
- corundum
- alundum
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