| Acronym | Meaning |
| BSDF | Bidirectional Scatter Distribution Function |
| DIDA | Direct Isotope Dilution Analysis |
| SLIT | Solid-liq. Intermol. Transfer |
| CORBA | Common Object Request Broker Architecture |
| SEP | Stimulated Emission Pumping |
| TVC | Total Viable Count |
| ASP | Auger Sputter Profiling |
| FEGO | Floating Ellipsoidal Gaussian Orbital |
| LOPT | Large-order Perturbation Theory |
| ICAO | International Civil Aviation Organization |