| Acronym | Meaning |
| WSTCM | Watson-sphere Terminated Cluster Model (in Electronic-structure Calcns. On Crystal Defects) |
| BPB | Blood Lead |
| HGCU | Hot-gas Particulate Cleanup |
| MOE | Margin Of Exposure |
| IRIS | Infrared Interferometer Spectrometer |
| AWM | Average Wave Function Method (in Calcns. On Scattering) |
| DVMO | Directed-valence Molecular Orbital |
| AFS | AIRS Facility Subsystem (subsystem Of AIRS) |
| BASF | Badische Anilin- Und Soda-Fabrik |
| TDC | Time-to-Digital Converter |