| Abbreviation | Definition |
|---|---|
| PTM(s) | post-translational modifications |
| PtNF | Platinium Nanofiber |
| PtNi | Platinum Nicke |
| PTP | Post-Tetanic Potentiation |
| PTPC | Permeability Transition Pore Complex |
| PtPd | Platinum and Palladium |
| PTSC | P Toluene Sulfonyl Chloride |
| PTT | Polytrimethylene Terephthalate |
| Pu | Plutonium |
| PUA | Plasma Uric Acid |
| PUCS | Penn Undergraduate Chemistry Society |
| PUCS | Princeton Undergraduate Chemistry Society |
| PUFA | Poly Unsaturated Fatty Acid |
| PUFA(s) | polyunsaturated fatty acid(s) |
| PUSH | Prevent Unnecessary Spending And Hazards |
| PV | Peroxide Value |
| PV | Pore Volume |
| PV | Pressure Volume |
| PVAL | Polyvinyl ancohol |
| PVB | Pressure Vacuum Breaker |