| Acronym | Meaning |
| TSSMS | Time Sharing Service Management System |
| NEJAC | National Environmental Justice Advisory Council |
| FOS | Fiber Optic Sensor |
| CRAF | Comet Rendezvous Asteroid Flyby |
| OIB | Ocean Island Basalt |
| SAC | Spectral Absorption Coeff. |
| EPA | Environment Potential Approach (in Electronic-structure Calcn.) |
| OU | Odor Units |
| RMTO | Relativistic Muffin-tin Orbital |
| WASP4 | Water Analysis Simulation Program |