| Acronym | Meaning |
| NSSS | Nuclear Steam Supply System |
| LCCW | Linear Combination Of Configurational Wave Functions |
| CP | Chemically Pure |
| MOSES | Modular Sensor System |
| BRC | Below Regulatory Concern |
| RKRVL | Rydberg-Klein-Rees-Vanderslice-Lakshman (for Potential Energy) |
| PWBA-C-EX | Coulomb Corrected Plane Wave Born Approxn. (with) Exchange |
| NRL | Naval Research Laboratories |
| NTTAA | National Technology Transfer And Advancement Act |
| GO-SCF | Gaussian Orbital Self-consistent Field |