| Acronym | Meaning |
| EFVAO | Electric-field Variant Atomic Orbital |
| ODS | Oxide Dispersion-strengthened |
| NIPALS | Nonlinear Iterative Partial Least Squares |
| LDR | Low Dose Radiation |
| NES | National Energy Strategy |
| BCF | Bulked Continuous-filament |
| IRIS | Incorporated Research Institutes For Seismology |
| EDQNM | Eddy-damped Quasinormal Markovian [mathematics In Engineering] |
| FACM | Friable Asbestos-Containing Material |
| GCR | Galactic Cosmic Rays (spacecraft Orbit) |