| Acronym | Meaning |
| STP | Standard Temperature And Pressure |
| MSX | Midcourse Space Experiment |
| SVE | Selected Valence Electron Model |
| PCM | Phase-change Medium |
| HNE | Human Neutrophil Elastase |
| LFRT | Long Fiber Reinforced Thermoplastic |
| ICTA | International Confederation Of Thermal Analysis |
| IVC | In Vitro Culture |
| MAOT | Maximum Allowable Operating Temperature For Stationary Phase |
| ETBM | Empirical Tight-binding Method (in Electronic Structure Calcn.) |