| Acronym | Meaning |
| SAFIR | Single Aperture Far-Infrared Observatory |
| CAS-SI | Complete Active Space-state Interaction |
| HID | High Interstitial Defect |
| ALCVD | Atomic Layer Chemical Vapor Deposition |
| IMEP | International Measurement Evaluation Program |
| LCAS MS | Linear Combination Of Atomic Spinors-molecular Spinors |
| BLS | Bureau Of Labor Statistics |
| TMC | Titanium Matrix Composite |
| WBG | Wide-band Gap |
| FCCSET | Federal Coordinating Council On Science |