| Acronym | Meaning |
| QMO | Quaternionic Molecular Orbital Method |
| EUROTRAC | European Experiment Of Transport And Transformation Of Environmentally Relevant Trace Constituents In The Troposphere Over Eur |
| AAMI | Association For The Advancement Of Medical Instrumentation |
| NEMD | Non-equilibrium Molecular Dynamics |
| BCC | Brueckner Coupled Cluster |
| SOR | Surface Overflow Rate |
| TCD | Thermal Conductivity Detector (for Gas Chromatography) |
| BPNN | Back Propagation Neural Network |
| RDI | Reference Daily Intake |
| HLLW | High Level Liquid Waste |