Scuba Diving
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| PIFTS | Planetary Imaging Fourier Transform Spectrometer | - | Scuba Diving |
| POES | Polar Operational Environmental Satellite | - | Scuba Diving |
| PPM | Part Per Million | - | Scuba Diving |
| PV | PhotoVoltaic | - | Scuba Diving |