| Acronym | Meaning |
| OLCAO | Orthogonalized Linear Combination Of Atomic Orbitals |
| LINF | Laser-induced Native Fluorescence |
| FEN | Free Electron Network |
| SPASE | South Pole Air Shower Expt. |
| SSSP | Simulation Of Single Sludge Processes |
| MPL | Maximum Permitted Level |
| PCILOCC | PCILO For Crystal Calculations |
| DMA | Distributed Multipole Analysis |
| AECB | Atomic Energy Control Board |
| NPTII | Neomycin-phosphotransferase II |