| Acronym | Meaning |
| IRAS | Infrared Astronomy Satellite |
| PSF | Point Spread Function |
| NCTR | National Center For Toxicological Research |
| ISCC | Intergranular Stress-corrosion Cracking |
| CDER | Center For Drug Evaluation And Research |
| DPCI | Derwent Patents Citation Index |
| BAT | Biol. Tolerance Value (German Std.) |
| KIMS | Kinetic Interaction Of Microparticles In Solution |
| RR | Relative Risk |
| TVC | Thermal Vapor Compression |