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alumina

2 ENTRIES FOUND:
  1. alumina (noun)
  2. alumen (noun)

alu·mi·na

noun \ə-ˈlü-mə-nə\

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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