| Acronym | Meaning |
| IUTOX | International Union Of Toxicology |
| RSPT | Rayleigh-Schroedinger Perturbation Theory |
| TOW | Time Of Wetting |
| TRNOE | Transferred Nuclear Overhauser Effect |
| DAS | Double Antibody Sandwich |
| SCC | Self-consistent Collective Coordinate (in Reactive Collisions) |
| HPCE | High-performance Capillary Electrophoresis |
| XTM | X-ray Tomographic Microscopy |
| UARP | Upper Atmospheric Research Program |
| UCHFPT | Uncoupled Hartree-Fock Perturbation Theory |