| Acronym | Meaning |
| HALS | Hindered-amine Light Stabilizers |
| USPHS | United States Public Health Service |
| AMSU | Advanced Microwave Sounding Unit |
| NAPRI | North American Pollutant Release Inventory |
| KAERI | Korea Atomic Energy Research Institute |
| DHHS | Department Of Health And Human Services |
| IITA | Information Infrastructure Technology And Applications |
| SBD | Schottky-barrier Diode |
| IEMA | Immunoenzymometric Assay |
| DHBT | Double Heterojunction Bipolar Transistor |