| Acronym | Meaning |
| MCSTEP | Multiconfigurational Spin-tensor Electron Propagator |
| LSDX | Local-spin-density (with Exact) Exchange |
| LCHOP | Linear Combination (of) Harmonic Oscillator Products |
| MBP | Major Basic Protein |
| EOIM | Energetic Oxygen Interaction With Materials |
| SXPL | Soft X-ray Projection Lithography |
| BHMF | Black Hole Mass Functionpar |
| IRN | Indicator Radionuclide |
| DIPPR | Design Institute For Physical Property Data |
| AVE | All Valence Electron |