| Acronym | Meaning |
| PETRA | Plasma Engineering And Technology Research Assembly |
| QD-MBPT | Quasi-degenerate Many-body Perturbation Theory |
| BASF | Badische Anilin- Und Soda-Fabrik |
| TPEPICO | Threshold Photoelectron-photoion Coincidence |
| TGVBA | Target Generalized Valence Bond Approximation |
| PAB | Particle Associated Bacteria |
| SCAP | Self-consistent Average Phonon (theory) |
| ALACE | Autonomous Lagrangian Circulation Explorer (float) |
| DVM | Discrete Variational Method |
| ARM | Atmospheric Radiation Measurement |