Word.ws English Dictionary

SEU

SEU is the initialism of Social Exclusion Unit.

SEU is the initialism of slightly enriched uranium.

SEU is the initialism of single-event upset.

Meaning of slightly enriched uranium

Noun

slightly enriched uranium (uncountable)

  1. (nuclear physics) Enriched uranium with 0.9-2% uranium-235, requiring a special moderator with very low neutron absorption (such as heavy water or high-purity graphite) in order to sustain a nuclear fission chain reaction; used to increase power output and efficiency in a few types of nuclear reactors capable of running on natural uranium and for downblending of highly-enriched uranium from decommissioned nuclear weapons into low-enriched uranium suitable for use in commercial power reactors.

Forms of SEU

pluralSEUs

Questions about SEU

What is SEU the initialism of?
SEU is the initialism of Social Exclusion Unit.

Words near SEU in the dictionary

  1. setworks
  2. Setzer
  3. Setzers
  4. setæ
  5. Setúbal
  6. SEU
  7. Seubert
  8. Seuberts
  9. seudah
  10. seudah shlishit
  11. seudat mitzvah

Source and license

Adapted from Wiktionary: SEU (page history and authors); slightly enriched uranium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “SEU.” Word.ws, https://word.ws/seu. Based on Wiktionary, CC BY-SA 4.0.