Initialism of public house. / Initialism of penthouse. / Initialism of preliminary hearing. / Initialism of public health. / Initialism of public holiday.

Abbreviation of phot. / Misspelling of pH. / (jargon, social media) Initialism of physical health.

a notation used in transcripts to indicate that the transcriber does not know the spelling, usually of a name, and has spelled it as it was pronounced (Initialism of phonetically.)

(organic chemistry) Abbreviation of phenyl.

plural of pH

(abbreiviation) United States Public Health Service

plural of PH

(chemistry) An acid-base indicator.

(chemistry) A voltmeter that uses the potential at a glass electrode to determine the pH of the solution in which it is immersed

(biochemistry) The pH that normally prevails in the human body. It is approximately 7.4.