| Acronym | Meaning |
| FLCAO | Factorized LCAO |
| OCE | Overall Control Efficiency |
| ISO | IR Space Observatory |
| PGR | Plant Growth Regulator |
| NICE | Neutral Interstellar Composition Experiment |
| SADVR | Symmetry-adapted Discrete Variable Representation (in Mol. Wave Function Calcn. For Nuclear Motion On A Given PES) |
| LRTAP | Long-range Transboundary Air Pollution |
| CSMOS | Center For Subsurface Modeling Support |
| AMOS | Automated Meteorological Observing System |
| ANS | American Nuclear Society |