| Acronym | Meaning |
| IFSD | In-Flight Shutdown |
| SAC-CI | Symmetry-adapted Cluster Configuration Interaction (theory For Wave-function Expansion) |
| NEAR | Near Earth Asteroid Rendezvous |
| PANH | Polycyclic Aromatic Nitrogen Heterocycle |
| CDF | Cumulative Distribution Functions |
| CARM | Cyclotron Autoresonance Maser |
| PIPICO | Photoion-photoion Coincidence |
| VFA | Volatile Fatty Acid |
| VC | Vital Capacity (lung Function) |
| BEES | Ballistic Electron Emission Spectroscopy |