| Acronym | Meaning |
| CISD | Configuration Interaction With Single And Double Excitation |
| CDF | Centered Dark Field |
| EMMI | Environmental Monitoring Methods Index |
| VETESS | Vehicle Transient Emissions Simulation Software |
| IKES | Ion-kinetic-energy Spectroscopy |
| KSA | Kirkwood Superposition Approximation |
| BDTQ | Brueckner (with) Double |
| TMA | Thermomagnetic Analysis |
| PPLO | Pleuropneumonia-like Organism |
| UPS | UV Photoelectron Spectroscopy |