1 definition by Numb3r

Top Definition
-Stands for Power of Hydrogen and counted in moles/liter, it represents the acidity of a substance. pH value of less than 7 means that the substance is an acid, higher means that it's a base.

-Slang for the letter f, and vise virsa.
Lemons have a pH level of around 2.25

Phuck, I flunked my fizix exam.
by Numb3r October 18, 2005

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