| Acronym | Meaning |
| SDI | Silt Density Index |
| SMCM | Spatial Multimedia Compartmental Model |
| GTE | Global Tropospheric Experiment |
| VLC | Visible Light-cured |
| QHA | Quasi-harmonic Approxn. (in Intramol. Vibrational Relaxation) |
| LDRP | Leak Detection And Repair Program |
| LDGUGA | Loop-driven Graphical Unitary-group Approach (in MC-SCF Calcns.) |
| BSE | Backscattering Electrons |
| SLMTO | Surface Linear (combination) Of Muffin-tin Orbitals |
| SFIP | Sector Facility Indexing Project |