| Acronym | Meaning |
| SAS | Statistical Anal. System |
| RRNA | Ribosomal Ribonucleic Acid |
| EPES | Elastic Peak Electron Spectroscopy |
| QWIP | Quantum Well IR Photodetector |
| TDMO | Time-dependent Molecular Orbital |
| CPCCSD | Coupled-perturbed Coupled-cluster (with) Single (and) Double Excitation |
| ESM | Exponential-series Method |
| PCE | Tetrachloroethylene (perchloroethylene Or Perk) |
| AIPEA | Association Internationale Pour L'Etude Des Argiles |
| BSBL | Bond Strength-bond Length (model Of Atom Abstraction Reaction) |