PAH

PAH or Pah may refer to :

Chemistry and biology

• Polycyclic aromatic hydrocarbon, one of a class of chemical compounds, organic pollutants
  • PAH world hypothesis, hypothesis that proposes that the use of polycyclic aromatic hydrocarbon was a means for the origin of life
• PAH clearance, para-aminohippuric acid clearance as a measurement of renal plasma flow
• Para-aminohippurate, a substance used in the measurement of blood flow in the kidneys
• Phenylalanine hydroxylase, an enzyme involved in breaking down phenylalanine
• Polyallylamine hydrochloride, Polyelectrolyte
• Polyanhydrides, a class of biodegradable polymers
• Products Against HIV (PAH), Dutch Start-up company

Places

• Pan-American Highway, Americas
• Pah, Gujarat, a town on Saurashtra peninsula, India
• Pah Homestead, a historic home in the suburb of Hillsborough in Auckland, New Zealand
• Pah State, a former princely state with seat in the above village
• PAH, the IATA airport code for Barkley Regional Airport, as it is in Paducah, Kentucky, USA

Other

• Pā (Māori) (alternate spelling), a fortified village or redoubt
• Plataforma de Afectados por la Hipoteca, a Spanish organization
• Polish Humanitarian Action, a Polish non-governmental organisation
• 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

Persons

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

In fiction & mythology

• Pah, the lunar deity in Pawnee mythology
• Pah Wraith, evil Bajoran prophets in the fictional Star Trek universe