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 Dictionary entry overview: What does alumina mean? 

ALUMINA (noun)
  The noun ALUMINA has 1 sense:

1. any of various forms of aluminum oxide occurring naturally as corundum

  Familiarity information: ALUMINA used as a noun is very rare.

 Dictionary entry details 

ALUMINA (noun)

Sense 1alumina [BACK TO TOP]


Any of various forms of aluminum oxide occurring naturally as corundum

Classified under:

Nouns denoting substances


alumina; aluminium oxide; aluminum oxide

Hypernyms ("alumina" is a kind of...):

corundom; corundum (very hard mineral used as an abrasive)

Hyponyms (each of the following is a kind of "alumina"):

alundum (a substance made of fused alumina)

Holonyms ("alumina" is a substance of...):

furnace lining; refractory (lining consisting of material with a high melting point; used to line the inside walls of a furnace)

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