pH meter


General Science

  • noun a device for measuring pH


  • An instrument or device, such as that utilizing a glass electrode, which serves to measure and indicate pH values. Also called pH indicator (1).
  • synonympH indicator
  • An instrument, device, substance, or object, which indicates pH values. For instance, a powder or paper which changes color depending on whether a solution is acidic or alkaline.


  • noun a meter which measures the pH value of a solution