| Acronym | Meaning |
| WET | Waste Extraction Test |
| TNAA | Thermal Neutron Activation Analysis |
| LTH | Luteotropic Hormone |
| ICPAEMC | International Commission For Protection Against Environmental Mutagens And Carcinogens |
| HFMD | Hellmann-Feynman Mol.-dynamics (method In Electronic Structure And Geometry Calcns.) |
| CCSDTQP | CCSDTQ (and) Pentuple (excitations) |
| PCOS | Polycystic Ovary Syndrome |
| IAGA | International Association Of Geomagnetism And Aeronomy |
| NPL | National Physical Laboratory |
| GWD | Gaussian Wave Packet Dynamics |