| Acronym | Meaning |
| WMT | Warped Muffin-tin Approximation |
| MECA | Molecular Emission Cavity Analysis |
| DXRL | Deep X-ray Lithography |
| TPQ | Threshold Planning Quantity |
| TSH | (classical) Trajectory Surface Hopping (for Ion-mol. Collisions) |
| COSEPUP | Committee On Science |
| HIT | Heparin-induced Thrombocytopenia |
| HHW | Household Hazardous Waste |
| PTI | Positive Thermal Ionization (for Mass Spectrometry) |
| NBII | National Biological Information And Infrastructure |