| Acronym | Meaning |
| CAWG | Clean Air Working Group |
| SSF | Slow Sand Filtration (water Treatment) |
| MIRO | Mineral Industry Research Organization (UK) |
| FOS | First-order Sudden |
| SCAPS | Site Characterization And Analysis Penetrometer System |
| RBC | Red Blood Cell |
| HRATS | High-Rate Anaerobic Treatment Systems |
| ANRF | Area Normalization With Response Factors |
| QVE | Quasivibrational Energy (formalism In Multiphoton Dissocn.) |
| SNR | Signal-to-noise Ratio |