| Acronym | Meaning |
| HETP | Height Equivalent To A Theoretical Plate |
| MPT | Mitochondrial Permeability Transition |
| UBD | Under-bath Decarburization |
| IRM | Information Resources Management |
| BAT | Biol. Tolerance Value (German Std.) |
| ART | Atom Relay Transistor |
| VOIP | Valence Orbital Ionization Potential |
| AEAPS | Auger-electron Appearance-potential Spectroscopy |
| GMI | Giant Magnetoimpedance |
| AUBF | Anaerobic Upflow Biofilter |