| Acronym | Meaning |
| SCALPEL | Scattering With Angular Limitation Projection Electron Lithography |
| STEL | Short Term Exposure Limit |
| SCSAG | Small-curvature Semiclassical Adiabatic Ground-state (tunneling Approxn.) |
| NOD | Nonobese Diabetic |
| ODUS | Ozone Dynamics UV Spectrometer |
| AMS | AIRS Area/Mobile Source Subsystem (subsystem Of AIRS) |
| RLS | Recursive Least Squares (algorithm) |
| SAS | Small Angle Scattering |
| CONTRAST | Connectivity Tracing Assignment Tools |
| RAP | Receptor-associated Protein |