| Acronym | Meaning |
| ROBK1 | Relativistic First-order Oppenheimer-Brinkman-Kramers |
| RCIS | Resource Center Information System |
| AAFEGE | Asymptotically Adjusted Free-electron-gas Exchange (potential) |
| CMP | Compact Model Potential |
| GDC | Global Drifter Center (of WOCE Data System) |
| ERRD | Emergency And Remedial Response Division |
| PF | Pulverized Fuel |
| WAS | Whole Air Sampler |
| FLA | Fluorescence Lifetime Analysis |
| UAMO | Unprojected Alternant Molecular Orbital |