| Acronym | Meaning |
| SECM | Scanning Electrochemical Microscopy |
| SERT | Serotonin Transporter |
| MCQDT | Multichannel Quantum Defect Theory |
| FOTOS | First-order Theory Of Oscillator Strength |
| PRA | Probabilistic Risk Assessment |
| RFA | Regulatory Flexibility Act |
| CERL | Corvallis Environmental Research Laboratory |
| TMP | Turbomolecular Pump |
| CMAS | Completely Mixed Activated Sludge |
| IRF | Interferon Regulatory Factor |