| Acronym | Meaning |
| HY-CIVB | Hylleraas-configuration Interaction Valence Bond |
| CFS | Chemical Fixation And Solidification (of Hazardous Wastes) |
| MDO | Max. Degree Of Order |
| RC(XI) | (fully) Correlated Relativistic Local-density |
| ISBN | International Standard Book Number |
| CCPE | Charge Core Potential Energy Method (for Conformational Analysis) |
| EDXA | Energy-dispersive X-ray Analysis |
| GBS | Generalized Bohr-Sommerfeld (quantization Method) |
| MNSR | Miniature Neutron Source Reactor |
| CPF | Coupled-pair Formalism |