pH scale

/ˈpiˌeɪtʃ skeɪl/

Definitions of pH scale

1. noun

   (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic);
   synonyms: pH

   types:

   acidity

   pH values below 7

   alkalinity

   pH values above 7

   neutrality

   pH value of 7

   hyperacidity

   excessive acidity

   type of:

   hydrogen ion concentration

   the number of moles of hydrogen ions per cubic decimeter