| Acronym | Meaning |
| OPEC | Organization Of Petroleum Exporting Countries |
| SPARC | Stratospheric Processes And Their Role In Climate |
| DAP | Diallyl Phthalate |
| CA | Cellulose Acetate |
| REA | Retrospective Exposure Assessment |
| BCDF | B Cell Differentiation Factor |
| EEM | Excitation-emission Matrix |
| PERC | Passivated Emitter And Rear Cell (solar Cells) |
| DSTD | Dynamic Surface Tension Detection |
| IPA | International Pharmaceutical Abstracts |