| Acronym | Meaning |
| STEM | Scaled Taylor Exponential Model |
| GSNO | Ground-state Natural Orbital |
| KBDS | Knowledge-based Design System |
| EMBO | European Molecular Biology Organization |
| WBGT | Wet Bulb Global Temperature |
| GC | Gas Chromatography |
| IF DRM | Inversion-free Direct Recursion Method (for Surface Electronic Structure) |
| CCS | Cold Cranking Simulator |
| DADMAC | Diallyldimethylammonium Chloride |
| OPPT | Office Of Pollution Prevention And Toxics (US EPA) |