NOUN | substance | aluminium oxide, alumina, aluminum oxide | any of various forms of aluminum oxide occurring naturally as corundum |
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Meaning | Any of various forms of aluminum oxide occurring naturally as corundum. | |
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Synonyms | alumina, aluminum oxide | |
Narrower | alundum | A substance made of fused alumina |
Broader | corundom, corundum | Very hard mineral used as an abrasive |
Substance of | furnace lining, refractory | lining consisting of material with a high melting point |
Spanish | alúmina, óxido de aluminio | |
Catalan | alúmina, òxid d'alumini |
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