| Acronym | Meaning |
| AGP | Alpha-1-acid Glycoprotein |
| ORU | In Orbit Replaceable Unit (spacecraft) |
| SRFA | Suwanee River Fulvic Acid |
| CCWE | Constituent Concentrations In Waste Extract |
| HAT | Humid-air Turbine [cycle] |
| NPL | Nonparametric Linkage |
| AFSB | Anaerobic Fluidized Sludge Blanket |
| AOX | Adsorbable Organohalogens |
| TED | Transmission Electron Diffraction |
| ORPI | Off-resonance Proton Irradiation |