English version

pH

From Longman Dictionary of Contemporary English
Related topics: Chemistry
pHpH /piː ˈeɪtʃ/ (also pH value) noun [singular] 🔊 🔊 HCa number on a scale of 0 to 14 which shows how acid or alkaline a substance is → litmus testpH of 🔊 soil with a pH of 3.1
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