Dictionary

alumina

noun alu·mi·na \ə-ˈlü-mə-nə\

Definition of ALUMINA

:  the oxide of aluminum Al2O3 occurring native as corundum and in hydrated forms (as in bauxite)

Origin of ALUMINA

New Latin, from Latin alumin-, alumen alum
First Known Use: circa 1790
Medical Dictionary

alumina

noun alu·mi·na \ə-ˈlü-mə-nə\

Medical Definition of ALUMINA

:  an oxide of aluminum Al2O3 that occurs native as corundum and in hydrated forms (as in bauxite) and is used in antacids—called also aluminum oxide

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July 06, 2015
categorical Hear it
absolute or relating to a category
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