| Acronym | Meaning |
| ACH | Air Changes Per Hour |
| HST | Hubble Space Telescope |
| RAGE | Receptor For Advanced Glycation Endproducts |
| EB | Extended Basis (set) |
| TETS | Totally Enclosed Treatment Systems |
| AEPS | Auger Electron Appearance Potential Spectroscopy |
| FIRST | Far Infrared And Submillimetre Space Telescope |
| DDRP | Direct Delayed Response Program (for Long Term Effects Of Acid Rain) |
| MEBS | Medium Energy Backscattering Spectrometry |
| CARE | Computed-aided Risk Evaluation |