Definition: Meaning of, pH scale in English to English dictionary.
Pronunciation:/ piːˈeɪtʃ skeɪl /
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where 7 is neutral and greater than 7 is more basic and less than 7 is more acidicfrom potential of Hydrogen the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per litre; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution ;