| Acronym | Meaning |
| IETS | Inelastic Electron Tunneling Spectroscopy |
| NFP | Neurofilament Protein |
| CLD | Chronic Lung Disease |
| SV | Sampling Visit |
| ASSIST | Abstract Semi-Markov Specification Interface To The SURE Tool [propulsion] |
| TED | Transmission Electron Diffraction |
| IMPPT | Intermolecular Moeller-Plesset Perturbation Theory |
| APW | Augmented Plane Wave |
| RITG | Radiatively Important Trace Gases |
| IMSD | Information Management And Services Division |