| Acronym | Meaning |
| ENCS | Existing And New Chemical Substances |
| TDO | Truncated Diatomic Orbital (a MO) |
| PRESTO | Prediction Of Radiological Effects To Shallow Trench Operation |
| MAK | Maximale Arbeitplatz Konzentration; Maximum Allowed Concentration At Workplace |
| EDA | Emergency Declaration Area |
| CAI | Calcium Aluminum Inclusion |
| MR-MBPT | Multireference-many-body Perturbation Theory |
| EGW | Electrogas Welding |
| BIC | Bragg Ionization Chamber |
| EBNA | Epstein-Barr Virus Nuclear Antigen |