| Acronym | Meaning |
| MBPT | Many-body Perturbation Theory |
| NIST | National Institute Of Standards And Technology (formerly NBS) |
| NECTAR | National Electronic Clinical Trials And Research |
| TATP | Triacetone Triperoxide |
| PISA | Pharmaceutical Information Systems Association |
| PSII | Plasma Source Ion Implantation |
| ANO | Average Natural Orbitals |
| VDHF | Variational Dirac-Hartree-Fock |
| TAI | Thermal Alteration Index |
| GDR | Glucose Disposal Rate |