Nuclear energy and radiation terminology · MLC-0119
Nuclear energy and radiation terms: F (28)
- Fast fissionFission of a "heavy" atom (such as uranium-238) when it absorbs a fast (high energy) neutron. All fissionable...
- Fast neutronA neutron with kinetic energy greater than its surroundings when released during fission.
- FatigueA degradation mechanism caused by the simultaneous action of cyclic, tensile stress. Fatigue may culminate in...
- Fault treeA fault tree identifies all of the pathways that lead to a system failure. Toward that end, the fault tree...
- Federal Emergency Management AgencyA component of the U.S. Department of Homeland Security responsible for protecting the Nation and reducing...
- Federal Energy Regulatory CommissionAn independent agency that regulates the interstate transmission of electricity, natural gas, and oil. FERC...
- FeedwaterWater supplied to the reactor pressure vessel in a boiling-water reactor (BWR) or the steam generator in a...
- Fertile materialA material, which is not itself fissile (fissionable by thermal neutrons), that can be converted into a...
- Film badgePhotographic film used to measure exposure to ionizing radiation for purposes of personnel monitoring. The...
- Fiscal yearThe 12-month period from October 1 through September 30 used by the Federal Government for budget formulation...
- Fissile materialA nuclide that is capable of undergoing fission after capturing low-energy thermal (slow) neutrons. Although...
- Fission (fissioning)The splitting of an atom, which releases a considerable amount of energy (usually in the form of heat) that...
- Fission gasesThose fission products that exist in the gaseous state. In nuclear power reactors, this includes primarily...
- Fission productsThe nuclei (fission fragments) formed by the fission of heavy elements, plus the nuclide formed by the...
- Fissionable materialA nuclide that is capable of undergoing fission after capturing either high-energy (fast) neutrons or...
- FluxA term applied to the amount of some type of particle (neutrons, alpha particles, etc.) or energy (photons...
- Force-on-ForceA type of security exercise designed to evaluate and improve the effectiveness of a security system. For the...
- Foreign Assignee ProgramA personnel exchange program for foreign regulatory counterparts. This helps the NRC and partners better...
- Formula quantityStrategic Special nuclear material, in any combination, in a quantity of 5000 grams or more computed by the...
- Fracture mechanicsThe field of mechanics concerned with the study of the propagation of cracks in materials.
- Freedom of Information ActA Federal law that requires Federal agencies to provide, upon written request, access to records or...
- Fuel assembly (fuel bundle, fuel element)A structured group of fuel rods (long, slender, metal tubes containing pellets of fissionable material, which...
- Fuel cycleThe series of steps involved in supplying fuel for nuclear power reactors. The uranium fuel cycle includes...
- Fuel reprocessing (recycling)The processing of reactor fuel to separate the unused fissionable material from waste material. Reprocessing...
- Fuel rodA long, slender, zirconium metal tube containing pellets of fissionable material, which provide fuel for...
- Fuel temperature coefficient of reactivityThe change in reactivity per degree of change in the temperature of nuclear fuel. The physical property of...
- Full-time equivalentA human resources measurement equal to one staff person working full-time for one year.
- Fusion reactionA reaction in which at least one heavier, more stable nucleus is produced from two lighter, less stable...
28 of 555 terms in Nuclear energy and radiation terminology (MLC-0119). Request the full dataset.