bn:00003167n
Noun Concept
Categories: Abrasives, Articles without KEGG source, Sesquioxides, Biomaterials, Oxides
EN
alumina  aluminum oxide  aluminium oxide  aluminum trioxide  aluminium trioxide
EN
Any of various forms of aluminum oxide occurring naturally as corundum WordNet 3.0
English:
III
Definitions
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EN
Any of various forms of aluminum oxide occurring naturally as corundum WordNet 3.0 & Open English WordNet
A natural or synthetic oxide of aluminum widely distributed in nature, often found as a constituent part of clays, feldspars, micas and other minerals, and as a major component of bauxite. OmegaWiki
The solid, Al2O3, commonly known as alumina; it occurs as bauxite, sapphire, ruby and other forms; it is used in the manufacture of ceramics. Wiktionary
Alumina, Al 2O 3. Wiktionary (translation)