| Acronym | Meaning |
| MCDF-EAL | Multiconfiguration Dirac-Fock-extended Average Level (for Energy Levels And Wave Functions Calcn. For Atoms) |
| HFIR | High Flux Isotope Reactor |
| SERA | Sequential Electrochemical Reduction Analysis |
| BSO | Brueckner Spin Orbitals |
| FRC | Frozen Core Approxn. |
| SPLITT | Split-flow Thin [fractionation] |
| PSCC | Pseudostate Close Coupling |
| IMC | Intermetallic Matrix Composite |
| RR | Relative Risk |
| HFD | Hartree-Fock-dispersion (type Of Intermol. Potential) |