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Pgr

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• Pgt

  preimplantation genetic testing

• Pgy

  post graduate year

• Ph

  Optics. 1. phot; phots. Chemistry. 1. the symbol for the logarithm of the reciprocal of hydrogen ion concentration in gram atoms per liter, used to express the acidity or alkalinity of a solution on a scale of 0 to 14, where less than 7 represents acidity, 7 neutrality, and more than 7 alkalinity. Chemistry. 1. […]

• P.H.

  1. Public Health. 1. postage and handling.

• PHA

  1. Public Housing Administration. PHA abbr. phytohemagglutinin 1. potentially hazardous asteroid 2. Public Housing Administration 3. Public Housing Authority

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