English abbreviations from phd to phn
- Ph.D. (Philosophiæ Doctor (Latin, "Doctor of Philosophy"))
- PHD (Harry Clever Field)
- PHE (Port Hedland International Airport)
- PHED (Politics and History of European Democratization)
- PHEEM (PHoto-Electron-Emission Microscopy)
- PHEMT (Pseudomorphic High Electron Mobility Transistor)
- PHEO (Public Health Emergency Officer)
- PHF (Newport News/Williamsburg International Airport)
- PHFFU (Plant held for future use)
- PHG (Program in Human Genetics)
- PHH (Project Harvest Hope)
- PHI (People Have Information)
- PHIBCB (Amphibious Construction Battalion)
- PHIBGRU (Amphibious Group)
- PHIBOP (Amphibious Operation)
- PHIBRON (Amphibious Squadron)
- PHID (Positive Hostile Identification)
- PHIGS (Programmer's Hierarchical Interactive Graphics System)
- Phil. (Philosophia ("Philosophy"))
- PHK (Palm Beach County Glades Airport)
- PHL (Philippines (ISO 3166 trigram))
- PHLAG (Promoting Healthy Lifestyles Across the Generations)
- Ph. M. (Philosophiae Magister ("Master of Philosophy"))
- PHM (Pacific Historical Maps)
- PHMB (PolyHexaMethyleneBiguanide)
- PHN (Public health nurse)
