| Acronym | Meaning |
| FEF | Forced Expiratory Flow (lung Function) |
| HSP | Heat Shock Protein |
| SPAG | Small Particle Aerosol Generator |
| CATSAT | Cooperative Astrophysics And Technology Satellite |
| HFET | Highway Fuel Economy Test |
| ASECS | Antigen-specific Electrophoretic Cell Separation |
| APU | Acid Purification Unit (acid Recovery System) |
| UHC | Unburned Hydrocarbons |
| WTIE | Wastewater Treatment And Information Exchange |
| IDMA | Isotopic Dilution And Mass Analysis |