| Acronym | Meaning |
| NERVA | Nuclear Engine For Rocket Vehicle Application |
| FAO | Food And Agriculture Organization |
| AMPD | AMP Deaminase |
| EFV GTO | Electric-field-variant Gaussian-type Orbital |
| PLM | Polarized-light Microscopy |
| RIM | Reaction-injection Molding |
| FOWL | Fossil Fuel Waste Leaching (computer Program) |
| F4 | Fourth-order Feenberg (quantum Theory) |
| ABO | Adiabatic Born-Oppenheimer (wave Functions) |
| RACT | Reasonably Available Control Technology |