| Acronym | Meaning |
| SAXS | Small Angle X-ray Scattering |
| VMR | Vol. Mixing Ratio |
| SOHO | Solar And Heliosphere Observatory |
| SILC | Stress-induced Leakage Current |
| ROHF | Restricted Open-shell Hartree-Fock |
| CP-TAPF | Cross-polarization Using Time-averaged Precession Frequency |
| SEELFS | Surface Extended-energy-loss Fine-structure |
| PAZ | Partial Annealing Zone (fission-track) |
| VPN | Virtual Private Network |
| WEFA | Window Evolving Factor Analysis |