Definitions
There is 1 meaning of the phrase
Ph Scale.
Ph Scale - as a 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 (Exact Relations)
phHypernyms (Closely Related)
hydrogen ion concentrationHyponyms (Broadly Related)
