| Acronym | Meaning |
| ECS-EP | Energy-corrected Sudden-exponential Polynomial (scaling Law) |
| DAFLOW | Diffusion Analogy Flow [model] |
| SGGA | Symmetric Group Graphical Approach (in CI Calcns.) |
| SDC | Samaria-doped Ceria |
| EAR | European Asthenospheric Reservoir (mantle Source For Tertiary-Quaternary Volcanism) |
| PTS | Phosphotransferase System |
| CZCS | Coastal Zone Color Scanner |
| BFAF | Beamformer Antialiasing Filter |
| RUP | Rumen-undegradable Protein |
| IAEH | International Association For Environmental Hydrology |