| Acronym | Meaning |
| UNFCCC | United Nations Framework Convention On Climate Change |
| TIW | Time-independent Wave Packet |
| TWTA | Traveling Wave Tube Amplifier |
| LTH | Luteotropic Hormone |
| DESY | Deutsches Elektronen-Synchrotron |
| SRASE | Symmetry Restricted Annihilation Of Single Excitations |
| CDS/ISIS | CDS/Integrated Set Of Information System |
| ETANN | Electronically Trainable Analog Neural Network |
| QENS | Quasielastic Neutron Scattering |
| AFR | Air To Fuel Ratio |