| Acronym | Meaning |
| HBAR | High-overtone Bulk Acoustic Resonator |
| NSSN | National Standards Systems Network |
| FMI | Fermilab Main Injector |
| GDR | German Democratic Republic |
| VSIP | Valence State Ionization Potential |
| VO | Virtual Orbital |
| ETEX | European Tracer Experiment |
| CISS | Constant-initial-state Spectroscopy |
| CIVB | Configuration Interaction Valence Bond |
| DSS | Decision Support System |