English abbreviations from pgs to ph
- PGS (Grand Canyon Caverns Airport (FAA: L37))
- PGSA (Pennsylvania Governor's School for the Arts)
- PGT (Princeton Gamma Technologies)
- PGU (Professional Growth Unit)
- PGV (Pitt-Greenville Airport)
- PGW (Publishers Group West)
- PGX (Périgueux Bassillac Airport)
- PGY (Post Graduate Year)
- PGY-1 (first post-graduate year)
- PGY-2 (second post-graduate year)
- PGY-3 (third post-graduate year)
- PGY-4 (fourth post-graduate year)
- PGY-5 (fifth post-graduate year)
- PGZ (Pokemon Gameboy Zone)
- pH (Expression of acidity or alkalinity. pH 7 is neutral;above 7 alkalinity increases; below 7 acidity decreases.)
