| Acronym | Meaning |
| HREELS | High-resolution Electron Energy-loss Spectroscopy |
| IATA | International Air Transport Association (Geneva |
| CMSA | Consolidated Metropolitan Statistical Area |
| LOC | Level Of Concern |
| DGNAA | Delayed Gamma-ray Neutron Activation Analysis |
| ISC | Initial Safe Concentration |
| RUP | Rumen-undegradable Protein |
| VAP | Valence Alternation Pair (bonding Configuration Model) |
| FZP | Fresnel Zone Plate |
| MD/MC-CEM | Molecular Dynamics/Monte Carlo-corrected Effective Medium |