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alumina

/əˈluː.mɪ.nə/

1 entry

noun

/əˈluː.mɪ.nə/C1formalscientific
  • ruСуществительное, обозначающее различные формы оксида алюминия, встречающиеся в природе в виде корунда.

A noun referring to any of various forms of aluminum oxide that occur naturally as corundum.

uncountable

  1. Aluminum oxideC1formaltechnical

    A white or colorless crystalline compound (Al₂O₃) that occurs naturally as corundum and is used in the production of aluminum and abrasives.

    ruОксид алюминия

    • Alumina is a key raw material in the manufacturing of aluminum metal.
    • The mineral corundum is a naturally occurring form of alumina.
    • High-purity alumina is used in making synthetic gemstones and ceramics.

    Synonymsaluminum oxide

Forms
  • aluminas plural form
  • aluminas' possessive plural form
  • alumina's possessive singular form