| Acronym | Meaning |
| PFGSE | Pulsed Field-gradient Spin-echo |
| MR-MP | Multireference Moeller-Plesset (perturbation Theory) |
| OELD | Organic Electroluminescent Device |
| EMII | Enriched Mantle Component 2 (of S. R. Hart |
| GIWA | Global International Waters Assessment |
| SIIMS | Secondary Ion Imaging Mass Spectrometry |
| LFC | Loss-free Counting |
| RVD | Regulatory Volume Decrease |
| SFCCCC | Space-fixed Complex-coordinate Coupled-channel Method |
| SAGE II | Stratospheric Aerosol And Gas Expt. II |