• (Canada) IPA: /ˈn(j)ukliɚ/
  • (British) IPA: /ˈnjuː.klɪə/
  • (America) IPA: /ˈn(j)ukliɚ/, /ˈn(j)ukjəlɚ/ (see usage notes)

nuclear (not comparable)

  1. Pertaining to the nucleus of an atom. [from 20th c.]
  2. Involving energy released by nuclear reactions (fission, fusion, radioactive decay). [from 20th c.]
    a nuclear reactor
    nuclear technology
  3. Relating to a weapon that derives its force from rapid release of energy through nuclear reactions. [from 20th c.]
    a nuclear explosion
    a nuclear power
  4. (by extension, metaphoric, of a solution or response) Involving an extreme course of action.
    nuclear option, nuclear solution
  5. (biology) Pertaining to the nucleus of a cell. [from 19th c.]
  6. (archaic) Pertaining to a centre around which something is developed or organised; central, pivotal. [from 19th c.]
Translations Translations Translations Noun

nuclear (uncountable)

  1. nuclear power

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