| Acronym | Meaning |
| APTIC | Air Pollution Technical Information Center |
| FNA | Fine-needle Aspiration |
| SCCM | Self-consistent Cell Model |
| DIRBE | Diffuse IR Background Experiment |
| FIP | First Ionization Potential |
| LPL | Lipoprotein Lipase |
| ESARDA | European Safeguards Research And Development Association |
| CTPGF | Closed Time Path Green Function (in Many-body Theory) |
| PPLV | Preliminary Pollutant Limit Value |
| PZC | Polyzirconium Compound (isopropyl Alc.-zirconium Chloride Copolymer) |