What is another word for Aluminium Oxide?
Pronunciation: [ˌaljʊmˈɪni͡əm ˈɒksa͡ɪd] (IPA) 
Aluminium oxide, also known as alumina, is a chemical compound that is widely used in various industries. Its synonyms include bauxite, corundum, sapphire, ruby, spinel, and emery. Bauxite is the primary source of aluminium oxide, while corundum, sapphire, and ruby are gemstones that consist mainly of alumina. Spinel is a mineral that contains both magnesium and aluminum oxides. Emery is a mixture of aluminium oxide and iron oxide, which is used as an abrasive for polishing and grinding. These synonyms reflect the diversity of applications that alumina has as a material, including in the production of ceramics, refractories, abrasives, and catalysts, among others.
