PH
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| PH | Past History | - | Medical(slang) |
| PH | Concentration Of Hydrogen Ions | - | Medical(slang) |
| PH | Hydrogen-Ion Concentration (Alkalinity) | - | Organizations |
| PH | Personal Hygiene | - | Organizations |
| PH | Phase | - | Organizations |
| PH | Passive Homing (missile Guidance System) -petahenry - Philippines (ISO 3166 Digram) -Probability Of Hit - Public Health - Purple Heart | - | Astronomy |
| PH | Parts Of Hydrogen (acidity/alkalinity Index) - Picohenry | - | Astronomy |