Lexic.us

Definition of PH

1. Noun. (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic).

Definition of PH

1. Abbreviation. public house ¹

2. Abbreviation. Penthouse ¹

3. Abbreviation. Preliminary Hearing ¹

4. Abbreviation. (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). ¹

5. Abbreviation. (misspelling of pH) ¹

6. Abbreviation. phot ¹

¹ Source: wiktionary.com

Definition of PH

1. a number used to describe acidity level [n -S]

Medical Definition of PH

1. The symbol relating the hydrogen ion concentration or activity of a solution to that of a given standard solution. Numerically the pH is approximately equal to the negative logarithm of hydrogen ion concentration expressed in molarity. PH 7 is neutral, above 7 is alkaline and below is acidic. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of PH

Other Resources: