| Acronym | Meaning |
| CP | Chemically Pure |
| RSE | Relativistic Symmetric Eikonal |
| SLAR | Side Looking Airborne Radar |
| CAPS | Computer-assisted Problem Solving |
| NASN | National Air Sampling Network |
| ITRI | Inhalation Toxicology Research Institute |
| AIJ | Activities Implemented Jointly [related To Greenhouse Gas Control] |
| WDM | Wavelength Division Multiplexing |
| DNS | Determination Of Nonsignificance |
| CTFA | Cosmetic, Toiletry And Fragrance Association |