| Acronym | Meaning |
| QEEC | Quasimol. Extended Elementary Cell (for Electronic Structure Calcns. Of Crystals) |
| SIMS | Secondary Ion Mass Spectrometry |
| SRES | Special Report On Emission Scenario |
| IEM | Immunoelectron Microscopy |
| LHPG | Laser-heated Pedestal Growth |
| SETM | Statistical Electron Transfer Model (for Electron-exchange Collisions) |
| ASF | African Swine Fever |
| AMAP | Arctic Monitoring And Assessment Program |
| AQPS | Air Quality Prediction System |
| EGS | Echelle Grating Spectrometer |