Alundum Hear it!

Alundum definition

Alun·dum (ə lun′dəm)

a variety of high-temperature products made from alumina and used in laboratory ware, furnaces, insulators, abrasives, etc.

Etymology: al(umina) + (cor)undum

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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