| Acronym | Meaning |
| MCPF+R | Modified Coupled-pair Functional (method With) Relativistic (correction) |
| FIRST | Far Infrared And Submillimetre Space Telescope |
| VAD | Vacuum Arc Degassing |
| CAMM | Cumulative Atomic Multipole Moment (for Mol. Charge Distributions) |
| SCCEH | Self-consistent Charge Extended Hueckel Method |
| HGAFS | Hydride Generation Atomic Fluorescence Spectrometry |
| NRMPI | Non-resonant Multiphoton Ionization |
| MDS | Matrix-diagonalization Sudden Approximation (for Atom Surface Scattering Calcns.) |
| SAS | Statistical Anal. System |
| YIG | Yttrium Iron Garnet |