See also: alúmina

English edit

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Etymology edit

From (combining form of) Latin alumen + -a.

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Noun edit

alumina (countable and uncountable, plural aluminas)

  1. Aluminum oxide, especially when used in mining, material sciences or ceramics, a refractory solid compound.
    • 1875, Journal of the Bath and West of England Society and Southern Counties Association for the Encouragement of Agriculture, Arts, Manufactures, and Commerce, volumes 7-8, page 133:
      The apocrenates of iron and manganese are slightly soluble; those of lime, magnesia and alumina are insoluble.

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French edit

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Verb edit

alumina

  1. third-person singular past historic of aluminer

Latin edit

Noun edit

alūmina

  1. nominative/accusative/vocative plural of alūmen

Portuguese edit

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Pronunciation edit

 

  • Hyphenation: a‧lu‧mi‧na

Noun edit

alumina f (plural aluminas)

  1. (geology) alumina (aluminium oxide)