PAH or Pah may refer to:

Science and technology

Chemistry

* Polycyclic aromatic hydrocarbon, one of a class of chemical compounds, organic pollutants ** PAH world hypothesis, hypothesis that proposes that the use of polycyclic aromatic hydrocarbons was a means for the origin of life * Polyallylamine hydrochloride, a polyelectrolyte used in polymer sheets *

Polyanhydrides {{No footnotes, date=July 2019 Polyanhydrides are a class of biodegradable polymers characterized by anhydride bonds that connect repeat units of the polymer backbone chain. Their main application is in the medical device and pharmaceutical industry ...

, a class of biodegradable polymers

Medicine

* Para-aminohippurate, a substance used in the measurement of blood flow in the kidneys **

PAH clearance Para-aminohippurate (PAH) clearance is a method used in renal physiology to measure renal plasma flow, which is a measure of renal function. PAH is completely removed from blood that passes through the kidneys (PAH undergoes both glomerular filt ...

, Para-aminohippuric acid clearance, a measurement of renal plasma flow * Paradoxical adipose hyperplasia, a potential complication of

cryolipolysis Fat removal procedures are used mostly in Plastic surgery#Cosmetic surgery procedures, cosmetic surgery with the intention of removing unwanted adipose tissue. The procedure may be invasive, as with liposuction, or noninvasive using laser therapy, ...

* Phenylalanine hydroxylase, an enzyme involved in breaking down phenylalanine * Primary alveolar hypoventilation, a condition of inadequate air movement in the lungs * Pulmonary arterial hypertension, a condition of elevated blood pressure in the pulmonary artery

Organizations

* Plataforma de Afectados por la Hipoteca, a Spanish housing rights organization *

Polish Humanitarian Action The Polish Humanitarian Action (PAH, pl. ''Polska Akcja Humanitarna'') is a Polish non-governmental organisation A non-governmental organization (NGO) or non-governmental organisation (see American and British English spelling differences#-i ...

, a Polish non-governmental organisation (Polish: Polska Akcja Humanitarna) *

Russian Academy of Sciences The Russian Academy of Sciences (RAS; russian: Росси́йская акаде́мия нау́к (РАН) ''Rossíyskaya akadémiya naúk'') consists of the national academy of Russia; a network of scientific research institutes from across t ...

, Russian: Российская Академия Наук (РАН)

People

Pah Wongso Louis Victor Wijnhamer (11 February 1904 – 13 May 1975), better known as Pah Wongso (), was an Indo social worker popular within the ethnic Chinese community of the Dutch East Indies, and subsequently Indonesia. Educated in Semarang and S ...

, born Victor Wijnhamer, Jr., (Chinese: 伯王梭; pinyin: Bó Wángsuō), an Indo social worker

Places

Pan-American Highway The Pan-American Highway (french: (Auto)route panaméricaine/transaméricaine; pt, Rodovia/Auto-estrada Pan-americana; es, Autopista/Carretera/Ruta Panamericana) is a network of roads stretching across the Americas and measuring about in to ...

Pah, Gujarat Pah is a village and former non-salute Rajput princely state on Saurashtra peninsula in Gujarat, western India. History Pah was a single village princely state in Gohelwar ''prant'', under Sarvaiya Rajput Chieftains. It had a population of ...

, a village and former non-salute Rajput princely state in Gujarat, INdia *

Pah Homestead The Pah Homestead is a historic home located in the suburb of Hillsborough in Auckland, New Zealand. It is owned by the Auckland Council, and is currently used as an art gallery, housing the James Wallace Art Trust's collection of New Zealand ar ...

, a historic home in Hillsborough, Auckland, New Zealand *

Barkley Regional Airport Barkley Regional Airport is 14 miles west of Paducah, in McCracken County, Kentucky, United States. It is used for general aviation and sees one airline, subsidized by the Essential Air Service program. 100 people are employed at the airport. T ...

, Paducah, Kentucky, U.S., IATA airport code PAH *

Pah-Ute County, Arizona Territory Pah-Ute County is a former County (United States), county in the northwest corner of Arizona Territory that existed from 1865 until 1871, at which point most of the area was transferred to Nevada. The remainder was merged into Mohave County, Ariz ...

Other

* Pah, the lunar deity in Pawnee mythology * Pah Wraith, in the fictional ''Star Trek'' universe {{disambiguation