| Acronym | Meaning |
| GRWA | Generalized Rotating-wave Approxn. (in Energy Level Calcns.) |
| COLTRIMS | Cold-target Recoil-ion-momentum Spectroscopy |
| XHV | Extremely High Vacuum |
| ISEC | Inverse Steric Exclusion Chromatography |
| FECS | Federation Of European Chemical Societies |
| EMPPL | Effluent Monitoring Priority Pollutants List |
| AAODL | Atmospheric Aerosols And Optics Data Library |
| EIC | Electrostatic Interaction Chromatography |
| EBW | Electron Beam Welding |
| EP | Extraction Procedure |