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Definition of High-enriched uranium

High-enriched uranium Definition from Science & Technology Dictionaries & Glossaries
NRC Nuclear Energy Glossary
Uranium enriched to 20 percent or greater in the isotope uranium-235.
A service to the public by The U.S. Nuclear Regulatory Commission (NRC).
High-enriched uranium Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Enriched uranium is a type of uranium in which the percent composition of uranium-235 has been increased through the process of isotope separation. Natural uranium is 99.284% 238U isotope, with 235U only constituting about 0.711% of its weight. 235U is the only nuclide existing in nature (in any appreciable amount) that is fissile with thermal neutrons.

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