| Acronym | Meaning |
| UAM-IV | Urban Airshed Model Version IV |
| CHICO | Compact Heavy-ion Counter |
| ELED | Edge-emitting Light Emitting Diode |
| HAI | Histol. Activity Index |
| COP | Coefficient Of Performance |
| ACE | Atmospheric Collection Equipment |
| FEPCA | Federal Environmental Pesticide Control Act |
| FIRST | Far Infrared And Submillimetre Space Telescope |
| ASSP | Aerosol Scattering Spectrometer Probe |
| IMC | Intermetallic Matrix Composite |