| Acronym | Meaning |
| EKT | Extended Koopmans Theorem |
| SWA | Slow-wave Activity |
| EBT | Electron Beam Tomography |
| BRAHMS | Broad RAnge Hadron Magnetic Spectrometers |
| MOCED | Molecular Orbital Constrained Electron Diffraction Method |
| ROBK2 | Relativistic Second-order Oppenheimer-Brinkman-Kramers (in Ion-scattering Calcns.) |
| SUMP | Spin-constrained Unrestricted Moeller-Plesset |
| FNOC | Fleet Numerical Oceanography Center (USA Navy) |
| CPMET | Coupled Pair Many Electron Theory |
| SLM | Supported Liquid Membranes |