| Acronym | Meaning |
| LOAEL | Lowest Observed Adverse Effect Level |
| RR | Round Robin (test) |
| RBC | Rotating Biological Contactor |
| TSD | Thermally Stimulated Discharge |
| OELD | Organic Electroluminescent Device |
| SACM | Superfund Accelerated Cleanup Model |
| GVB | Generalized Valence Bond |
| FRDS | Federal Reporting Data System |
| CFC | Corrosion-fatigue Cracking |
| CCTM | Coupled-channel Transition Matrix (in Atom-surface Scattering) |