Student Dictionary

One entry found for pH.
Main Entry: pH
Pronunciation: (primarystress)pemacron-primarystressamacrch
Function: noun
: a number used in expressing acidity or alkalinity on a scale whose values run from 0 to 14 with 7 representing neutrality, numbers less than 7 increasing acidity, and numbers greater than 7 increasing alkalinity; also : the condition represented by such a number

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