| Acronym | Meaning |
| PVS | Performance Verification Sample |
| VHAP | Volatile Hazardous Air Pollutant |
| DFB | Distributed Feedback |
| DBE | Deep Basin Experiment |
| SPINDO | Spectroscopic Potentials Adjusted Intermediate Neglect Of Differential Overlap |
| PNET | Primitive Neuroectodermal Tumor |
| DIHEN | Direct Injection High Efficiency Nebulizer |
| ESRIN | European Space Research Institute |
| PARS | Photoacoustic Raman Spectroscopy |
| HI | Hydrogen Index |