Ph scale

Definitions

Noun
  1. 1
    (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) wordnet

Next best steps

Mini challenge

Unscramble this word: phscale