| Acronym | Meaning |
| HRAC | Herbicide Resistance Action Committee |
| DVR | Discrete Variable Representation (in Wave Function Calcn.) |
| MAGE | Marine Aerosol And Gas Exchange Experiment |
| CAMEO | Computer Assisted Mechanistic Evaluation Of Organic Reactions |
| API | Air Pollution Index |
| ECSC | European Coal And Steel Community |
| CMBR | Completely Mixed Batch Reactor |
| PWTM | Plane-wave T-matrix (for Electron-atom Scattering) |
| CAMK | Calcium Calmodulin-dependent Protein Kinase |
| RBOT | Rotary Bomb Oxidn. Test |