| Acronym | Meaning |
| FFTF | Fast Flux Test Facility |
| NCP | National Contingency Plan (Superfund) |
| NPV | Net Present Value {economics} |
| CLIC | Compact LInear Collider |
| CFFV | Clean Fuel Fleet Vehicle |
| CPA | Coupled-pair Approximation |
| CP | Coupled Pair (many-electron Theory) |
| NDTT | Nil Ductility Transition Temperature |
| RSMR | Rayleigh Scattering Of Moessbauer Radiation |
| WPI | Waste Policy Institute |