| Acronym | Meaning |
| CMB | Cosmic Microwave Background |
| DHMS | Dense Hydrous Magnesium Silicates |
| BACER | Biological And Climatological Effects Research |
| AGR | Advanced Gas-cooled Reactor |
| MCE | Mixed Cellulose Ester |
| PA-FTIR | Photoacoustic Fourier Transform Infrared Spectroscopy |
| FFIS | Federal Facilities Information System |
| CPV | Cowpox Virus |
| PWIA | Plane-wave Impulse Approximation |
| TOF | Time Of Flight |