| Acronym | Meaning |
| RGA | Residual Gas Analysis |
| MRB | Multi-stage Reverse-flow Bioreactor |
| RUS | Resonant Ultrasound Spectroscopy |
| DERA | Defense Environmental Restoration Act |
| CVSEH | Correlated Valence Shell Effective Hamiltonian |
| FLCAO | Factorized LCAO |
| ROHF | Restricted Open-shell Hartree-Fock |
| SIOA | Surface-induced Optical Anisotropy |
| NOE | Nuclear Overhauser Enhancement |
| PRCPTS | Primary Reactor Coolant Pump Trip System |