| Acronym | Meaning |
| NPSO | Nonpaired Spatial Orbital |
| PIPES | Piperazine-1 |
| PBC | Primary Biliary Cirrhosis |
| CMC | Critical Micelle Concentration |
| CP-LSDA | Car-Parrinello Local Spin Density Functional |
| ARROW | Anti-resonant Reflecting Optical Waveguide |
| PAMS | Photochem. Assessment Monitoring Stations |
| ECETOC | European Chemical Industry |
| DEA | Dissociative Electron Attachment |
| LWIR | Long Wavelength IR |