| Acronym | Meaning |
| AAW | Air Acetylene Welding |
| HRV | Heart Rate Variability |
| PSPR | Perfectly Stirred Pulsed Reactor |
| LIVA | Light-induced Voltage Alteration |
| LPED | Low-pressure Electric Discharge |
| EUVE | Extreme Ultraviolet Explorer (NASA Satellite) |
| POEM | Physical Oceanography Of The Eastern Mediterranean |
| QDVPT | Quasidegenerate Variational Perturbation Theory |
| ECRA | Economic Cleanup Responsibility Act |
| CAA | Computer Aided Analysis |