| Acronym | Meaning |
| PAG | Periaqueductal Gray |
| RDW | Relativistic Distorted Wave |
| UOVMO | Unoccupied Valence-type Mol. Orbital |
| EFST | Electrodeposition Frequency Shift Titrimetry |
| ECAP | Equal Channel Angular Pressing |
| EFPVN | Eastern Fine Particle And Visibility Network |
| OSPARCOM | Oslo And Paris Commission [Environmental Regulations For The European Community] |
| AATSR | Advanced Along-Track Scanning Radiometer |
| OSC | Oxygen Storage Capacity |
| SMM | Scanning Magnetic Microscopy |