| Acronym | Meaning |
| AEMA | Auger Electron Microanalysis |
| MCHF | Multiconfiguration Hartree-Fock |
| DBRA | Division Of Biometry And Risk Assessment |
| CCA | Coupled-cluster Approach |
| SAW | Self-avoiding Walk [modeling] |
| AER | Atmospheric And Environmental Research |
| BSFC | Break Specific Fuel Consumption |
| BRM | Band Random Matrix (model For Quantum Localization In Conservative Systems) |
| SBA | Short Bed Adsorbers |
| RFA | Regulatory Flexibility Analysis |