| Acronym | Meaning |
| WPCF | Water Pollution Control Federation |
| HIT | Heparin-induced Thrombocytopenia |
| RRT | Relative Retention Time |
| HPIEC | High-pressure Ion-exchange Chromatography |
| MLS | Microwave Limb Sounder |
| ACJ | Artificially Constructed Junction (in Solar Cell Fabrication) |
| STA | Science And Technology Agency (Japan) |
| ACF | Anticoagulant Factor |
| DIRBE | Diffuse IR Background Experiment |
| EDB | Ethylene Dibromide |