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Meaning of Alundum

A•lun•dum

Pronunciation: (u-lun'dum), [key]
— Trademark. Trademark.
  1. a brand name for a substance consisting of fused alumina, used chiefly as an abrasive and as a refractory.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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