| Abbreviation | Definition |
|---|---|
| PO2 | Partial pressure of oxygen |
| POC | Proof Of Concept |
| POLT | Physician Office Laboratory Technician |
| POLT | Physician Office Laboratory Testing |
| POP | popliteal |
| PORC | Porcelain |
| PORT | Patient Outcome Research Team |
| PORT | Programmable Oral Release Technologies |
| ppb | parts per billion |
| PPBS | Postprandial Blood Sugar |
| PPBS | Post-Prandial Blood Sugar |
| PPD | Psycho Physical Development |
| PPD | Purified Protein Derivative |
| PPG | Postprandial glucose |
| PPIL | Plant Pathogen Identification Laboratory |
| PPL | Panoply Performance Laboratory |
| PPL | Pervasive Parallelism Laboratory |
| PPLP | Piano Pedagogy Laboratory Program |
| ppm | parts per million |
| PPOL | Personality Processes and Outcomes Laboratory |