| Acronym | Meaning |
| VS | Volatile Solids |
| FD | Field Desorption |
| MR-CCI | Multireference Contracted Configuration Interaction |
| CEI | Committee On Environmental Improvement |
| ELI | Extra Low Interstitial |
| AGU | American Geophysical Union |
| INP | Initial Notification Plan |
| SAED | Selected Area Electron Diffraction |
| DSA | Digital Subtraction Angiography |
| B2B | Boundary(-corrected) Second Born (for Scattering) |