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aluminum oxide

noun
1.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for aluminum oxide
  • They arranged concentric layers of silver and aluminum oxide into a half cylinder and carved tightly spaced lines on the inside.
  • One of these is barium oxide, something with a half-life and, aluminum oxide as well.
  • Rubies are formed of a mineral called corundum, comprised of aluminum oxide.
  • Alumina, or synthetic aluminum oxide, is used in the smelting of aluminum.
  • Bone implants are typically made of metal or ceramic materials made of aluminum oxide or zirconium oxide.
  • The gallium is doing more than preventing an aluminum oxide coating, it is catalyzing the reaction in some way.
  • Transmission electron micrograph of a cerium doped yttrium aluminum oxide.
  • Manufactured abrasives included in this report are fused aluminum oxide, silicon carbide, and metallic abrasives.
aluminum oxide in Science
aluminum oxide  
See alumina.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for aluminum oxide

alumina

synthetically produced aluminum oxide (Al2O3), a white or nearly colourless crystalline substance that is used as a starting material for the smelting of aluminum metal. It also serves as the raw material for a broad range of advanced ceramic products and as an active agent in chemical processing.

Learn more about alumina with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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