| Acronym | Meaning |
| CBS-FCI | Complete Basis Set-full Configuration Interaction |
| STEAMER | Slow Turning Echo Amplitude Modulation And Echo Reduction |
| REM | Rapid Eye Movement |
| ULSI | Ultra-large-scale Integration |
| BLC | BACT/LAER Clearinghouse |
| GE-EPMA | Grazing-exit Electron Probe Microanalysis |
| EBIR | Energy Based Integral Retention (in Electronic-structure Calcns.) |
| CEN | Comite Europeen De Normalization |
| SCMFT | Self-consistent Mean-field Theory |
| QIP | Quantum Information Processing |