Editing PH (disambiguation)

{{wiktionary|PH|Ph|pH|ph}}
'''[[pH]]''' is a measure of acidity or alkalinity.

'''PH''', '''ph''', '''pH''', and '''Ph''' may also refer to:
* [[Philippines]] (ISO country code PH), a country located in Southeast Asia

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==Arts and media==
* [[PistonHeads]], a motoring website and forum
* [[PH (band)]], formerly known as Mr. Peter Hayden, a Finnish band
* [[Pornhub]], a pornographic video sharing website
* [[Production house]]

==Aviation==
* Prefix for the Netherlands; see [[List of aircraft registration prefixes]]
* IATA airline designator for Polynesian Airlines; see [[List of airline codes (P)]]
* [[Transavia Denmark]] (IATA: PH)

==Companies and organizations==
* [[Parker-Hannifin]] Corporation (stock ticker PH)
* [[Pakatan Harapan]] (also known as "Alliance of Hope"), a political coalition in Malaysia
* [[Pizza Hut]], a pizza restaurant chain

==Places==
* [[Port Harcourt]], (alternative name of the city)
* [[Preston Hollow, Dallas]], a neighborhood
* [[PH postcode area]], postcode area in Scotland

==Science and technology==
===Chemistry===
* [[Phenyl group]], either -Ph or Φ, highly-stable and aromatic hydrocarbon unit found in many organic compounds
* [[Pleckstrin homology]] domain, a part of many proteins which bind phosphoinositides with high affinity

===Computing===
* [[.ph]], the Philippines' Internet country code top-level domain
* Ph protocol, an early web database search for [[CCSO Nameserver]] described by RFC 2378
* [[PH (complexity)]], the union of all complexity classes in the polynomial hierarchy in computational complexity theory

===Physics===
* [[Phot]], or ph, a measurement of illuminance, in photometry
* [[Henry (unit)|Picohenry]], an SI Unit of electrical inductance

===Other sciences===
* [[Planet Hunters]], a group that hunts for exoplanets
* [[Precipitation hardening]], a heat treatment technique used to increase the yield strength of malleable materials
* [[Pulmonary hypertension]], a medical condition

==Other uses==
* [[pʰ]], a phoneme
* [[Ph (digraph)]], a common digraph that represents the phoneme /f/ (voiceless labiodental fricative) in phonetics
* PH, abbreviation for [[professional hunter]] used in East and Southern Africa
* (ph), a notation used in [[Transcription (linguistics)|transcripts]] to indicate that the transcriber does not know the spelling, usually of a name, and has spelled it as it was pronounced ([[phonetic]]ally)
* ''pH Care'', a feminine hygiene brand in the Philippines owned by UL Skin Sciences, Inc., a subsidiary of [[Unilab]]
* [[PH (footballer)]] (born 1991), Brazilian footballer Philippe Guimarães
* [[Poul Henningsen]] (1894–1967), Danish writer and designer known in Denmark as PH
* [[Professional hunter]]
* [[Public house]], most commonly referred to as ''pub'', an establishment licensed to serve alcoholic drinks
* [[Purple Heart]], a US military award, in post-nominal designation
* [[Pinch hitter]], in baseball
* abbreviation used to denote the English [[Regnal years of English monarchs|regnal years]] of [[Philip II of Spain]]
* P<sup>ḥ</sup>, abbreviation (e.g. on maps) for [[parish]], also in the meaning of [[civil parish]]
* Phillips, a [[List of screw drives#Phillips|type of cross-head screw drive bits]]
* [[ⲣⲏ]], Coptic for the Egyptian deity Ra
* [[Patrouilleurs Hauturiers]] program of the French Navy

==See also==
* [[Phi]] (φ), a letter of the Greek alphabet

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