| Acronym | Meaning |
| ZI | Zero Intercept |
| QXRD | Quantitative X-ray Diffraction |
| SANDS | Stratospheric Aitken Nuclei Detection System |
| GHF | Generalized Hellmann-Feynman (theorem) |
| SMIL | Synchronized Multimedia Integration Language |
| DRS | Dissolved Reactive Silicate |
| LCRA | Linear Combination Of Rydberg Orbitals |
| LSDXS | Local-spin-density (with) Screened Exchange |
| HREELS | High-resolution Electron Energy-loss Spectroscopy |
| CMRA | Chemical Migration And Risk Assessment |