| Acronym | Meaning |
| PPN | Peroxypropionyl Nitrate |
| BNN | Back-propagation Neural Network |
| BART | Best Available Retrofit Technology |
| FACOSH | Federal Advisory Council For Occupational Safety And Health |
| MFVT | Mixed Flow Vectored Thrust |
| UDWA | Unitarized Distorted-wave Approximation |
| SARM | Selective Androgen Receptor Modulator |
| LDV | Laser Doppler Velocimetry |
| ELS | Energy Loss Spectroscopy |
| LEEMS | Low Energy Electron Mass Spectroscopy |