| Acronym | Meaning |
| MOCED | Molecular Orbital Constrained Electron Diffraction Method |
| NASO | Nasmyth Adaptive Optics System |
| PROM | Programmable Read-only Memory |
| FOS | Fiber Optic Sensor |
| OPGF | One-particle Green Function |
| IRS | Interferon-responsive Sequence |
| LSD-GX-CSEP | LSD-GX-with Correction Of Statistical Exchange Potential |
| NTN | National Trends Network |
| PEGC | Phonon Glass Electron Crystal |
| TSD | Technical Support Document |