See also: ph, PH, .ph, P&H, and Ph

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TranslingualEdit

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SymbolEdit

pH

  1. (metrology) Symbol for the picohenry, an SI unit of electrical inductance equal to 10−12 henrys.
  2. (chemistry) Measure of the acidity or basicity of an aqueous solution.

EnglishEdit

EtymologyEdit

From p, denoting negative logarithm, and H, denoting hydrogen.

PronunciationEdit

AbbreviationEdit

pH ‎(plural pHs)

  1. (chemistry) The negative of the logarithm to the base 10 of the concentration of hydrogen ions, measured in moles per liter; a measure of acidity or alkalinity of a substance, which takes numerical values from 0 (maximum acidity) through 7 (neutral) to 14 (maximum alkalinity).

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