| Acronym | Meaning |
| AMAD | Activity Median Aerodynamic Diameter |
| HRS | Hazard Ranking System |
| VEGF | Vascular Endothelial Growth Factor |
| RVDT | Rotary Variable Differential Transformer |
| SEED | Self Electro-optic Effect Device |
| NPL | National Physical Laboratory |
| GFEMO | Generalized Free Electron Molecular Orbital |
| HAEC | Human Artificial Episomal Chromosome |
| PWTM | Plane-wave T-matrix (for Electron-atom Scattering) |
| GRHF | Generalized Restricted Hartree-Fock |