PAH

PAH or Pah may refer to: In chemistry and biology:Polycyclic aromatic hydrocarbon, one of a class of chemical compounds, organic pollutantsPhenylalanine hydroxylase, an enzyme involved in breaking down phenylalaninePAH (gene), a gene for producing phenylalanine hydroxylasePara-aminohippurate, a substance used in the measurement of blood flow in the kidneysPrimary alveolar hypoventilation, a condition of inadequate air movement in the lungsPAH world hypothesis, hypothesis that proposes that the use of polycyclic aromatic hydrocarbon was a means for the origin of lifePoly(allylamine hydrochloride), Polyelectrolyte 
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PAH, PAHA aminohippuric acid. PAH abbr. para -aminohippuric acid PAH 1 Polycyclic aromatic hydrocarbon, see there 2. Pulmonary artery HTN [more]Pah - Community and Resources

interj. pshaw, ugh!; ugh, sound of coughing or grunting

(n.)
A kind of stockaded intrenchment.
  

(interj.)
An exclamation expressing disgust or contempt. See Bah.
  

[Native American] The god of the moon of the Pawnee Indians.