Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. alumina, especially a product made from fused alumina

from The Century Dictionary and Cyclopedia

  • n. An artificial abrasive made in an electric furnace and used as a substitute for corundum.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a substance made of fused alumina

Etymologies

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