| Acronym | Meaning |
| MTOF | Mass Time-Of-Flight |
| IAST | Ideal Adsorbed Soln. Theory |
| PESOS | Perkin-Elmer Solvent Optimization System |
| NPV | Net Present Value {economics} |
| ACF | Activated Coke Fines |
| IAP | Ion Activity Products |
| SVI | Sludge Volume Index |
| ICC | Intraatomic Correlation Correction |
| MEPSAG | Minimum Energy Path Semiclassical Adiabatic Ground-state (tunneling Approxn.) |
| TQCM | Temperature-controlled Quartz Crystal Microbalance |