Alumina

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This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. Any of several forms of aluminum oxide, Al2O3, occurring naturally as corundum, in a hydrated form in bauxite, and with various impurities as ruby, sapphire, and emery, used in aluminum production and in abrasives, refractories, ceramics, and electrical insulation. Also called aluminum oxide.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. Aluminum oxide used especially in mining, material sciences and ceramics.
    • the GNU version of the Collaborative International Dictionary of English
  • n. One of the earths, consisting of two parts of aluminium and three of oxygen, Al2O3.
    • The Century Dictionary and Cyclopedia
  • n. The oxid of aluminium, Al2O3, the most abundant of the earths.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • n. any of various forms of aluminum oxide occurring naturally as corundum
    • Hypernym
    Words that are more generic or abstract
    corundom    corundum   
    Hyponym
    alundum   
    Form
    aluminate    aluminium    alumian   
    Same Context
    Words that are found in similar contexts
    magnesia    strontia    silica    potassa    silicates    borate    yttria    manganese    bismuth    carbonate   
     
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