| Acronym | Meaning |
| IRP | Internal Reflection Photolysis |
| CXC | Chandra X-ray Center |
| DRS | Dissolved Reactive Silicate |
| FINS | Forensically Informative Nucleotide Sequencing |
| CMLS | Chemical Movement In Layered Soils |
| R2PI | Resonant Two-photon Ionization |
| SABS | South African Bureau Of Standards |
| COSS | Correlation Shift Scaling |
| ERM | Electron Redistribution Model |
| VLT | Very Large Telescope |