Alundum

[ uh-luhn-duh m ]
/ əˈlʌn dəm /

Trademark.

a brand name for a substance consisting of fused alumina, used chiefly as an abrasive and as a refractory.

Example sentences from the Web for alundum

  • Emery, carborundum and alundum wheels are developed from the grindstone of the distant past.

    Inventors at Work |George Iles

British Dictionary definitions for alundum

Alundum
/ (əˈlʌndəm) /

noun

trademark a hard material composed of fused alumina, used as an abrasive and a refractory