| Acronym | Meaning |
| CSM | Continuum Solvation Model |
| PREEN | Pacific Rim Energy And Environment Network |
| ELH | Egg-laying Hormone |
| ECP | Exchange Coupled Pair |
| ASIS | American Society For Information Science |
| VBCI | Valence Bond Configuration Interaction |
| LMO | Localized Molecular Spin Orbital |
| CSA | Coupled Static Approxn. (in Scattering Calcns.) |
| RTFDW | Relativistic Thomas-Fermi-Dirac-Weizsaecker (electron-d. Theory) |
| DIRBE | Diffuse IR Background Experiment |