| Acronym | Meaning |
| IEV | Independent Event (model In Ion-atom Collisions) |
| KEDF | Kinetic-energy Density Functional |
| ENAA | Epithermal Neutron Activation Analysis |
| TCS | Target Current Spectroscopy |
| SCMFT | Self-consistent Mean-field Theory |
| TDTF | Time-dependent Thomas-Fermi |
| FCV | Feline Calicivirus |
| HSC | Health And Safety Commission (UK) |
| CCSDTQP | CCSDTQ (and) Pentuple (excitations) |
| PCMO | Precanonical Molecular Orbital |