| Acronym | Meaning |
| CIBS | Corrections To An Incomplete Basis Set (a Perturbation Theory) |
| HERS | High Energy Range Spectrometer |
| SAA | Serum Amyloid A |
| IAB | Information Access Branch |
| OVMO | Occupied Valence-type Mol. Orbital |
| ORS | Odds Ratios |
| CRIMS | Chemical Reaction Interface Mass Spectrometry |
| ICRP | International Commission On Radiological Protection |
| SSMBE | Solid Source Molecular Beam Epitaxy |
| TLEED | Tensor Low-energy Electron Diffraction |