| Acronym | Meaning |
| CNDO/2-FA | Complete Neglect Of Differential Overlap First Approxn. |
| RSM | Response Surface Method |
| BOO | Bond Orientational Order |
| IEPA | Independent Electron Pair Approximation |
| MIEHM | Modified Iterative Extended Hueckel Method |
| FACS | Fluorescence-activated Cell Sorting |
| PRFT | Partially Relaxed Fourier Transform |
| AA | Aluminum Association |
| CHARM | Coupled Hydrosphere-Atmosphere Research Model |
| ESE | Exact Static-exchange (approxn. In Scattering Calcns.) |