low-enriched uranium

English

Noun

low-enriched uranium (uncountable)

  1. (nuclear physics) Enriched uranium with at least 2% but less than 20% uranium-235, enough to sustain a nuclear fission chain reaction in a nuclear reactor moderated by light water but not enough to allow a self-sustaining fission chain reaction without a moderator; used as the main nuclear fuel in most commercial nuclear reactors used to generate electricity.
    Alternative form: LEU (initialism)
    Hypernyms: enriched uranium < U, uranium
    Hyponyms: HALEU, high-assay low-enriched uranium
    Coordinate terms: HEU, highly enriched uranium, weapons-grade uranium; SEU, slightly enriched uranium; NU, natural uranium; DU, depleted uranium

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