| Abbreviation | Definition |
|---|---|
| PLRC | Physics Learning Resource Center |
| PM | Particle Multiplication |
| PM | Particulate Material |
| PM | Particulate Matter |
| PMA | Physics Mathematics and Astronomy |
| PMB | Program in Molecular Biophysics |
| PMBC | Process Model Based Control |
| PME | Particle-Mesh Ewald |
| PMF | Predictor Model File |
| PMF | Proton Motive Force |
| PMG | Permanent Magnet Generator |
| PML | Perfect Matched Layer |
| PML | Physical Measurement Laboratory |
| PMM | Perpetual Motion Machine |
| PMMC | Permanent Magnet Moving Coil |
| PMMD | Physics and Modeling of Microelectronic Devices |
| PMOT | Power Of Motor |
| PMQT | Periodic Macroscopic Quantum Tunneling |
| PMR | Proton Magnetic Resonance |
| PMRA | Proper Motion in Right Ascension |