Library / English Dictionary

    ALUMINA

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    Any of various forms of aluminum oxide occurring naturally as corundumplay

    Synonyms:

    alumina; aluminium oxide; aluminum oxide

    Classified under:

    Nouns denoting substances

    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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