| Acronym | Meaning |
| PIT | Phase Inversion Temperature |
| CERCLA | Comprehensive Environmental Response |
| GSNO | Ground-state Natural Orbital |
| FIRST | Far Infrared And Submillimetre Space Telescope |
| NFPA | National Fire Protection Association |
| LAT | Linker For Activation Of T Cells |
| DFPT | Density-functional Perturbation Theory |
| LSSV | Linear Sweep Stripping Voltammetry |
| ITC | International Translation Center |
| RMA | Rocky Mountain Arsenal (Colorado) |