| Acronym | Meaning |
| HPET | High Performance Engineering Thermoplastic |
| PAG | Periaqueductal Gray |
| PARS | Photoacoustic Raman Spectroscopy |
| MTBF | Mean Time Between Failure |
| FGR | Flue Gas Recirculation |
| UVPES | Ultraviolet Photoelectron Spectroscopy |
| DENT | Double-edge Notched Tension |
| FACM | Friable Asbestos-Containing Material |
| AHMM | Academy Of Hazardous Materials Management |
| PSCI | Pseudo Configuration Interaction |