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alumina

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noun alu·mi·na \ə-ˈlü-mə-nə\

Definition of alumina

  1. :  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

play
noun alu·mi·na \ə-ˈlü-mə-nə\

Medical Definition of alumina

  1. :  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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