| Acronym | Meaning |
| BSA | Breathing-sphere Approxn. (for Inelastic Mol. Collisions) |
| CCE | Charge-collection Efficiency |
| PFU | Plaque-forming Units |
| KDV | Korteweg-de Vries (equation For Solitons) |
| TF/SC | Trickling Filter/Solids Contact Process (for Wastewater Treatment) |
| PMO | Perturbed Morse Oscillator (model Potential) |
| MOT | Magnetooptical Trap |
| COGS | Computer Oriented Geological Society |
| NAMF | Non-asbestos Mineral Fibers |
| DRIPSS | Drinking Water Information Processing Support System |