| Acronym | Meaning |
| FAO | Floating Atomic Orbital |
| CRAF | Comet Rendezvous Asteroid Flyby |
| OPE | Ozone Production Efficiency |
| DSDP | Deep Sea Drilling Project |
| DCM | Dilated Cardiomyopathy |
| MMT | Methylcyclopentadienylmanganese Tricarbonyl |
| WIC | Washington Information Center |
| TRESR | Time-resolved Electron Spin Resonance |
| RHFS | Relativistic Hartree-Fock-Slater |
| LTA | Linde Type A |