| Acronym | Meaning |
| RHFS | Relativistic Hartree-Fock-Slater |
| SCMPS | Spin-corrected Moeller-Plesset Nth-order |
| AMESA | Adsorption Method For Sampling Of Dioxins |
| IHC | Intrinsic Coercivity |
| HITC | 1,1',3,3,3',3'-hexamethylindotricarbocyanaine Iodide |
| WCA | Water Conservation Area(s) |
| EH | Extended Hueckel |
| XMA | X-ray Microanalysis |
| AAR | Accumulation-area Ratio (for Glaciers) |
| EWIA | Eikonal (distorted) Wave Impulse Approxn. (for Scattering) |