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Từ điển Oxford Learners Wordfinder Dictionary
pH scale


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)
Syn:
pH
Topics:
chemistry, chemical science
Hypernyms:
hydrogen ion concentration
Hyponyms:
acidity, alkalinity, neutrality


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