| Acronym | Meaning |
| AMSA | Association Of Metropolitan Sewerage Agencies |
| SFRS | Spin-flip Raman Scattering |
| EHCO | Extended Hueckel Crystal Orbital |
| VSA | Vacuum Swing Adsorption |
| ELRA | Enzyme-linked Receptor Assay |
| IA/PA | Intermediate Alky./partial Alky. |
| MEKP | Methyl Ethyl Ketone Peroxide |
| ESPRIT | European Strategic Programme For Research And Development In Information Technology |
| ESC | Endometrial Stromal Cell |
| RFC | Inhalation Reference Concentration |