| Acronym | Meaning |
| HVDB | Halogenated Volatile Disinfection By-products |
| DLTFS | Deep Level Transient Fourier Spectroscopy |
| OTAG | Ozone Transport Assessment Group |
| CAPS | Cleaved Amplified Polymorphic Sequence |
| JOSO | Joint Organization For Solar Observations |
| NASO | Nasmyth Adaptive Optics System |
| PCAD | Power Conditioning And Distribution (in Spacecraft) |
| DAU | Drug Abuse Urine |
| FASST | Fast Scan Submillimeter Spectroscopic Technique |
| APMP | Acid Precipitation Mitigation Program |