carborundum

• Существительное, обозначающее чрезвычайно твёрдый абразивный материал, состоящий из кристаллов карбида кремния, используемый для шлифовки, резки и полировки.

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

uncountable

1. Abrasive materialC1formaltechnical

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

   Абразивный материал

   • 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.

   Synonymssilicon carbide