| Acronym | Meaning |
| HREELS | High-resolution Electron Energy-loss Spectroscopy |
| RAPS | Regional Air Pollution Study |
| OPP | Office Of Pesticide Programs |
| PIM | Powder Injection Molding |
| CET | Center For Environmental Technology |
| GR | Glucocorticoid Receptorpar |
| TDPT | Time-dependent Perturbation Theory |
| CO | Crystal Orbital |
| CFR | Code Of Federal Regulations |
| SORI-CID | Sustained Off-resonance Irradn. Collision-induced Dissocn. |