| Acronym | Meaning |
| TLEED | Tensor Low-energy Electron Diffraction |
| APP | Acoustic Phase Plate |
| CPHSDM | Constant Pattern Homogeneous Surface Diffusion Model |
| ESDIM | Earth System Data And Information Management |
| EU | Exposure Unit |
| AEES | Auger Electron Emission Spectroscopy |
| CMP | Capacitively Coupled Microwave Plasma |
| PMP2 | (spin) Projected Moeller-Plesset Second-order (perturbation Theory) |
| MP-QMC | Model Potential-quantum Monte Carlo |
| GCSEL | Grating-coupled Surface-emitting Laser |