| Acronym | Meaning |
| HPLS | Hierarchical Partial Least Squares |
| AFFTC | Air Force Flight Test Center |
| EUVE | Extreme Ultraviolet Explorer (NASA Satellite) |
| IPDA | Intensified Photodiode Arrays |
| CERCLIS | Comprehensive Environmental Response |
| WDI | World Drug Index |
| MPI | Mass Psychogenic Illness (in Indoor Air Pollution) |
| ROM | Reverse Osmosis Membrane |
| RYDMR | Reaction Yield Detected Magnetic Resonance |
| APCVD | Atm.-pressure Chem. Vapor Deposition |