carborundum

• Substantif désignant un matériau abrasif extrêmement dur, composé de cristaux de carbure de silicium, utilisé pour meuler, couper et polir.

A noun referring to an extremely hard abrasive material composed of silicon carbide crystals, used for grinding, cutting, and polishing.

indénombrable

1. Abrasive materialC1formaltechnical

   A very hard, crystalline compound of silicon and carbon (silicon carbide), used as an abrasive for grinding, cutting, and polishing.

   Carbure de silicium (abrasif)

   • The workshop uses carborundum wheels for sharpening tools.
   • Carborundum powder is often used in lapping processes.
   • The blade was coated with carborundum for extra durability.

   Synonymessilicon carbide