| Acronym | Meaning |
| ERL/GB | Environmental Research Laboratory Gulf Breeze |
| TBP | TATA-box Binding Protein |
| EPCE-F2(SIGM | Effective Pair Correlation Energy Method With The Factor-two (f2) Approximation For Sigma-electron Systems |
| HAFID | Hydrogen Atmosphere Flame Ionization Detector |
| RAPRA | Rubber And Plastics Research Association |
| IRLG | Interagency Regulatory Liaison Group |
| STS | Space Transportation System |
| RCM | Ring-closing Metathesis |
| PROWL | Protein Information Retrieval Online World Wide Web Lab |
| SACM | Statistical Adiabatic Channel Method (in Ion-mol. Reactions) |