| Acronym | Meaning |
| SOPHIA | System For Organic Reaction Prediction By Heuristic Approach |
| EXOSAT | European X-ray Observatory Satellite |
| PUFA | Polyunsaturated Fatty Acid |
| CWA | Chemical Warfare Agent |
| BBO | Bonding Bond Orbital |
| CSF | Configuration Spin Function (a Wave Function) |
| CERPIES | Collision Energy Resolved Penning Ionization Electron Spectra |
| PAX | Photoemission Of Adsorbed Xenon |
| FCC | Flight Control Computer |
| DISC | Death-inducing Signaling Complex |