| Acronym | Meaning |
| CFHH | Correlation-function Hyperspherical Harmonic (method For Calcn. Of Wave Functions) |
| NUCEF | Nuclear Fuel Cycle Safety Engineering Research Facility |
| IIASA | International Institute Of Applied Systems Analysis (near Vienna |
| NPTN | National Pesticide Telecommunications Network |
| IFPC | Integrated Flight And Propulsion Control |
| UMTRCA | Uranium Mill Tailings Radiation Control Act |
| SWIFT | Sandia Waste-Isolation Flow And Transport Model |
| CIOSC | Combined Intelligence Objectives Sub-Committee |
| CLS | Classical Least-squares |
| GRASP | Gradient Accelerated Spectroscopy |