| Acronym | Meaning |
| IFSEM | International Federation Of Societies For Electron Microscopy |
| EPHMRA | European Pharmaceutical Market Research Association |
| ICDH | Isocitrate Dehydrogenase |
| HVOF | High-Velocity Oxygen Fuel |
| VOIE | Valence Orbital Ionization Energy |
| ADA | N-(2-acetamido) Iminodiacetic Acid |
| NWC | National Water Council (UK) |
| AS | Activated Sludge |
| SIDS | Screening Information Data Set |
| PDB | Peedee Belemnite |