| Acronym | Meaning |
| ILEED | Inelastic Low-energy Electron Diffraction |
| ECOIN | European Core Inventory |
| AIDE | Annie Interactive Development Environment |
| OCD | Overlapping Charge Density (model In Electronic Structure) |
| FLAA | Flame Atomic Absorption |
| SETM | Statistical Electron Transfer Model (for Electron-exchange Collisions) |
| TWSM | Two-way Shape Memory |
| IMACNMMN | International Mineralogical Assocn. Commission On New Minerals And Mineral Names |
| BBIC | Bioluminescent Bioreporter Integrated Circuits |
| BHRA | British Hydromechanics Research Association |