pHFreq.FrequencyTop 20,000Meanings1nounpHchemistryChemistry term for the measure of acidity or alkalinity. Used in both technical and general contexts.from Germanこの溶よう液えきのpHを測そく定ていしてください。Please measure the pH of this solution.ペーハーが低ひくいと酸さん性せいが強つよいことを示しめす。A low pH indicates strong acidity.