| Acronym | Meaning |
| DLM | Diffuse Layer Model (of Adsorption) |
| FISCI | Final Ionic State Configuration Interaction |
| FCAW | Flux-cored Arc Welding |
| REP | Relativistic Effective Potential |
| ESFF | Extensible Systematic Force Field |
| NSCEP | National Service Center For Environmental Publications |
| AMWA | American Metropolitan Water Association |
| TGRS | Transient Gamma-Ray Spectrometer |
| VEE | Venezuelan Equine Encephalitis |
| CRQL | Contract Required Quantitation Limit |