| Acronym | Meaning |
| SKVP | S-matrix (version Of) Kohn Variational Principle |
| OFDR | Off-frequency Decoupling Resonance |
| HEC | Human Equivalent Concentration |
| BESOI | Bonded And Etched-back Silicon-on-insulator |
| ARDS | Acute Respiratory Distress Syndrome |
| MLVSS | Mixed Liquor Volatile Suspended Solids |
| EEC | European Economic Community |
| IPPA | Independent Pair-potential Approximation |
| NPM | Nonpolar Material |
| YBCO | Yttrium Barium Copper Oxide |