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D
Deuterium - the isotope of hydrogen with an atomic mass of two
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E
Electromagnetic Separation - isotope separation process based on the use of an electromagnetic field
Enriching Uranium - Increasing the concentration of U-235 isotope for reactor fuel or weapons
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F
Fission - spontaneous or induced disintegration of a heavy atomic nucleus into two or more lighter fragments, with the released energy known as nuclear energy
Fusion - process of forming new heavier atomic nuclei by combining lighter nuclei
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G
Gas Centrifuge - device used to separate the uranium-235 isotope from the uranium-238 isotope
Gaseous Diffusion - isotope separation process based on the principle of molecular effusion
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H
Heavy Water - deuterium oxide or water containing a large percentage of deuterium atoms, used as a moderator in nuclear reactors
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L
Lasers - devices that can be used to separate isotopes
Lithium - element used in thermonuclear weapons
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M
Medical and Biological Effects of Radiation - effects of radiation on humans, animals, plants, and other living systems
Metallurgy - science and technology of producing and characterizing metals and alloys, important in the production of uranium and plutonium
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N
Neutrons - electrically neutral subatomic particle found in the nucleus of the atom with approximately the same mass as a proton
Nuclear Fuel Cycle - The steps involved in the supply and use of fuel for nuclear power generation.
Nuclear Physics - branch of physics centered on the nucleus and its reactions
Nuclear Reactors - devices for achieving controlled nuclear fission to produce power, weapons materials, or radioactive isotopes
Nuclear Waste - management of waste generated by producing nuclear power and weapons
Nuclear Weapons Design - technology associated with producing atomic and hydrogen bombs
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P
Particle Accelerators - devices used to accelerate nuclear particles, such as cyclotrons and linear accelerators
Plutonium - synthetic element, with atomic number 94, made from uranium, of which the isotope of mass 239 is fissionable
Polonium - Trigger of nuclear weapons
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R
Radioactivity - spontaneous emission of radiation by nuclei, which are said to be radioactive
Radiochemistry - chemistry associated with the isolation and use of radioactive isotopes
Radium - Radioactive element discovered by Madam Curie
Reprocessing Spent Fuel - reprocessing spent fuel to recover plutonium for reactor fuel or weapons
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T
Thorium - element that can be used to produce fissionable uranium 233 by neutron absorption
Transuranium Elements - elements with atomic numbers greater than 92 that are beyond uranium in the periodic table
Tritium - isotope of hydrogen with a mass of three that is used in thermonuclear weapons
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U
Uranium - element, atomic number 92, whose isotope of mass 235 is fissionable
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X
X-rays - electromagnetic energy of short wavelengths produced when high-speed electrons strike a solid target
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