| Acronym | Meaning |
| HDF | Human Diploid Fibroblast |
| TATP | Triacetone Triperoxide |
| PEELS | Parallel Electron Energy Loss Spectroscopy |
| STS | Surface Tunnelling Spectroscopy |
| HWSFD | Hazardous Waste Superfund Database |
| UARP | Upper Atmospheric Research Program |
| TQEM | Total Quality Environmental Management |
| EFH | Extended Fenske-Hall (LCAO MO Method) |
| ARPA | Augmented Random Phase Approximation |
| NLO | Nonlinear Optical |