| Acronym | Meaning |
| WCAT | Water-cooled Atom Trap |
| CCD | Charge Coupled Device |
| CANS | Combination Area Neutron Spectrometer |
| ZRL | Zero Risk Level |
| LC-ESI-MS/MS | Liq. Chromatog.-electrospray Ionization-tandem Mass Spectrometry |
| STHF | Single-term Hartree-Fock |
| ETBM | Empirical Tight-binding Method (in Electronic Structure Calcn.) |
| SGBD | Steam Generator Blowdown |
| MBE | Many-body Expansion (in Mol. Potential Energy Surface Calcn.) |
| CVM | Cluster Variation Method (in Calcns. On Semiconductors) |