| Acronym | Meaning |
| LST | Local Solar Time |
| NEPP | National Energy Policy Plan |
| SP-RPAE | Spin Polarized-random Phase Approxn. (with) Exchange |
| PMIRRAS | Polarization Modulation Infrared Reflection Absorption Spectroscopy |
| PR | Preliminary Review |
| NPCR | Nonlinear Principal Components Regression |
| OTA | Office Of Technology Assessment |
| ISS | Intermediate Solid Solution |
| BPH | Benign Prostatic Hyperplasia |
| OGC | Office Of General Counsel |