Ph
From Wikipedia, the free encyclopedia
PH, ph, pH, and Ph are initialisms or other abbreviations that may refer to:
- pH, a measure of acidity in chemistry
- -Ph, a phenyl ring in organic chemistry
- PH, the Philippines' ISO country code
- .ph, the Philippines' Internet country code top-level domain
- ph or phot, a measurement of illuminance (photometry)
- pulmonary hypertension, a medical condition
- Ph is an old name service protocol described by RFC 2378 : RFC 2378
- PH (complexity), the union of all complexity classes in the polynomial hierarchy in computational complexity theory
- φ, the Greek letter
- Ph (digraph), a digraph that represents the phoneme /f/ in phonetics
- Polynesian Airlines' IATA airline designator
- (ph), an abbreviation found on CNN Transcripts meaning "paraphrased"<ref>http://transcripts.cnn.com/TRANSCRIPTS/0302/27/ltm.16.html</ref>
- Ph.D, Philosophiæ Doctor (Latin)
<references />
cs:PHda:PH (flertydig) de:PH eo:PH fr:PH ko:PH it:PH (disambigua) ja:PH no:Ph sk:PH
