| Acronym | Meaning |
| AVDP | Analytic Velocity-dependent Potential (for Electron Scattering) |
| GEASIC | Gradient-expansion Approxn. Self-interaction Correction (functional |
| SAFIR | Smoke Gas Anal. By Fourier Transform IR Spectroscopy |
| WEEE | Waste Electrical And Electronic Equipment |
| CCRM | Coupled-channel Reactance Matrix (in Atom Surface Scattering) |
| PEM | Performance Evaluation Material |
| IRGCHAZ | Intercritically Reheated Grain-coarsened Heat-affected Zone |
| SXES | Soft X-ray Emission Spectroscopy |
| PSC | Polar Stratospheric Clouds (in Antarctic) |
| EMP | Empirical Pseudopotential Method |