| Abbreviation | Definition |
|---|---|
| PSML | Physical Systems Modeling Laboratory |
| PSS | Physics Selection Strategy |
| PSSC | Physical Science Study Committee |
| PSTM | Photon Scanning Tunneling Microscope |
| PT | Peak Torque |
| PTA | Pure Tone Average |
| PTET | Physics And Technology Energy Team |
| PTNC | Physics Teaching News and Comment |
| PTNR | Physics and Technology of Nuclear Reactors |
| PTP | Phase Transition Phenomena |
| PTPT | Pure Time Preference Theory |
| PTPV | Point-To-Point Velocity |
| PTR | Proton Transfer Reaction |
| PTRA | Physics Teaching Resource Agents |
| PTTS | Physics Training and Talent Search |
| PU | Parallel Undirected |
| PUM | Physics Union Mathematics |
| PV | Plasma Volume |
| PV | Pressure Vessel |
| PV | Pressure-Volume |