| Acronym | Meaning |
| HEXS | High-energy X-ray Scattering |
| UMIX | User-Manufacturer Information EXchange |
| SS | Suspended Solids |
| CSACM | Canonical Statistical Adiabatic Channel Model (in Reactions) |
| ERBS | Earth Radiation Budget Satellite |
| TDSF | Time-dependent Spencer-Fano (in At. And Mol. Inelastic Collisions) |
| MACHO | Massive Compact Halo Object |
| KAERI | Korea Atomic Energy Research Institute |
| SHS | Self-propagating High-temperature Synthesis |
| SFRC | Spruce-Fir Research Cooperative |