General English

Cars & Driving

  • noun a hole in a tyre made by a sharp object and causing loss of air pressure.


  • A disruptive electrical discharge through an insulator, dielectric, or other material separating circuits. Also called breakdown (2).
  • A hole or depression made by a pointed object. Also, to make such a hole or depression.


  • noun a neat hole made by a sharp instrument
  • noun the making of a hole in an organ or swelling to take a sample of the contents or to remove fluid
  • verb to make a hole in tissue with a sharp instrument