| Acronym | Meaning |
| SEU | Single Event Upset (in Spacecraft Power Systems) |
| VLBA | Very Long Baseline Array |
| GJIC | Gap Junctional Intercellular Communication |
| SCAMPI | Statistical Classification Of Activities Of Molecules For Pharmacophore Identification |
| CAOPM | Configuration-averaged Optimized-potential Model |
| P-T-T-D | Pressure-temperature-time-deformation Path (for Metamorphic Rocks) |
| ADS | Accelerator Driven System |
| NES | National Energy Strategy |
| FDM | Finite-difference Method |
| QVB | Quasiempirical Valence Bond (method) |