| Acronym | Meaning |
| PCM | Phase-change Material (in Heat Storage) |
| PTGF | Perturbative-type Green Function |
| SRP | Signal Recognition Particle |
| BHT | Bottom-hole Temperature |
| HIRIS | High Resolution Imaging Spectrometer |
| PBIRG | Pharmaceutical Business Intelligence And Research Gro |
| OPANA | Operational Version Of The Atm. Mesoscale Numerical Pollution Model |
| NCPM | Noncritical Phase-matching |
| DNR | Department Of Natural Resources |
| AHR | Airway Hyperresponsiveness |