| Acronym | Meaning |
| SCPHP | Self-consistent Particle-hole Propagator |
| AQCS | Analytical Quality Control Services |
| TBBM | Tight-binding Bond Model |
| CCMET | Coupled-cluster Many-electron Theory |
| FFT | Fast Fourier Transform |
| ZQC | Zero-quantum Coherence |
| RASA | Regional Aquifer Systems Analysis (program Of USGS) |
| CAI | Computer Aided Instruction |
| RSMC | Regional Specialized Meteorological Centre |
| BBK | Brauner-Briggs-Klar (wave Function In Atom-electron Scattering) |