| Acronym | Meaning |
| FEI | Fire And Explosion Index |
| FSCE | Free-solution Capillary Electrophoresis |
| BRFI | Brewing Research Foundation International |
| DEG | Diethylene Glycol |
| FOCS | Fiber Optic Chemical Sensor |
| TDPAD | Time Differential Perturbed Angular Distribution |
| LDFT | Local Density-functional Theory |
| PEMC | Pair-excitation Multiconfiguration (type Of Wave Function) |
| HTGR | High-Temperature Gas Reactor |
| LOTOS | Long Term Ozone Simulation |