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Definition of Alumina
1. Noun. Any of various forms of aluminum oxide occurring naturally as corundum.
Substance meronyms: Furnace Lining, Refractory
Generic synonyms: Corundom, Corundum
Specialized synonyms: Alundum
Definition of Alumina
1. n. One of the earths, consisting of two parts of aluminium and three of oxygen, Al2O3.
Definition of Alumina
1. Noun. Aluminum oxide used especially in mining, material sciences and ceramics. ¹
¹ Source: wiktionary.com
Definition of Alumina
1. an oxide of aluminum [n -S]
Medical Definition of Alumina
1.