alumina

/əˈlumənə/
IPA guide

Definitions of alumina
  1. noun
    any of various forms of aluminum oxide occurring naturally as corundum
    synonyms: aluminium oxide, aluminum oxide
    see moresee less
    types:
    alundum
    a substance made of fused alumina
    type of:
    corundom, corundum
    very hard mineral used as an abrasive
Cite this entry
Style:
MLA
  • MLA
  • APA
  • Chicago

Copy citation
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘alumina'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
Word Family