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Alumina   /əlˈumənə/   Listen
Alumina

noun
1.
Any of various forms of aluminum oxide occurring naturally as corundum.  Synonyms: aluminium oxide, aluminum oxide.





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"Alumina" Quotes from Famous Books



... material in rocks is a white metal called aluminium. United to oxygen it becomes alumina, the chief substance in clay. Rocks of this kind—such as clays, and also the lovely blue gem, sapphire—are called Argillaceous Rocks, from the Latin word for clay, and belong to the second class. Such ...
— Young Folks' Library, Volume XI (of 20) - Wonders of Earth, Sea and Sky • Various


Words linked to "Alumina" :   aluminium oxide, alundum, refractory, corundom, corundum, furnace lining, aluminum oxide


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