| Acronym | Meaning |
| LBO | Localized Born-Oppenheimer |
| LOEC | Lowest Observed Effect Concentration |
| NSAID | Non-steroidal Anti-inflammatory Drug |
| BNR | Biological Nutrient Removal |
| FKO | Franz-Keldish Oscillations |
| ZEKE | Zero Electron Kinetic Energy |
| SERDP | Strategic Environmental Research And Development Program |
| LFC | Loss-free Counting |
| CINC | Cytokine-induced Neutrophil Chemoattractant |
| RME | Reasonably Maximally Exposed |