| Acronym | Meaning |
| ECT | Emission-Computed Tomography |
| WLAN | Wireless Local Area Network |
| CPCCSD | Coupled-perturbed Coupled-cluster (with) Single (and) Double Excitation |
| IMPROVE | Interagency Monitoring For Protected Visual Environments |
| ACBS | Aqueous-ceramic Binding Suspension |
| ICCA | International Council Of Chemical Associations |
| CNDO/B | Complete Neglect Of Differential Overlap / Boyd |
| RIOSA | Reactive Infinite-order Sudden Approxn. |
| ELKM | Extended Lumped Kinetic Model |
| PET | Potential Evapotranspiration |