| Acronym | Meaning |
| XHDPE | Cross-linked |
| QVB | Quasiempirical Valence Bond (method) |
| HPDM | Hybrid Plume Dispersion Model (air Quality) |
| WANO | World Association Of Nuclear Operators |
| AIBS | American Institute Of Biological Sciences |
| GAIN | Global Agricultural Information Network |
| SFCCCC | Space-fixed Complex-coordinate Coupled-channel Method |
| SMSI | Strong Metal-support Interaction |
| TSNA | Tobacco-specific Nitrosamines |
| PFG | Pulsed Field Gradient |