| Acronym | Meaning |
| IGPP | Institute Of Geophysics And Planetary Physics |
| BTS | British Toxicology Society |
| QIT | Quadrupole Ion Trap |
| GALP | Good Automated Laboratory Practices |
| HFCC | Hyperfine Coupling Constant |
| ACP | Amorphous Calcium Phosphate |
| ESP | Electrostatic Precipitator |
| OBK3 | Third-order Oppenheimer-Brinkman-Kramers |
| SARS | Scattering And Recoiling Spectrometry |
| SCM | Shell-correction Method (in Calcns. For Metal Clusters) |