nuclear

adjective
UK: /ˈnjuːkliər/
US: /ˈnuːkliər/

  1. Relating to the nucleus of an atom or to the energy released in nuclear fission or fusion.

    1. The country decided to abandon its nuclear program. [ ] [ ]
    2. Scientists are exploring safer methods of nuclear waste disposal for future generations. [ ] [ ]

  2. Relating to weapons that use nuclear energy.

    1. The treaty aims to limit the spread of nuclear weapons. [ ] [ ]
    2. The threat of nuclear war has decreased since the end of the Cold War era. [ ] [ ]

  3. Having a very important or powerful role.

    1. She plays a nuclear role in the company's development. [ ] [ ]
    2. Education has a nuclear role in improving prospects for vulnerable populations. [ ] [ ]

Synonyms

atomic central core key
nuclear noun

  1. The central or most important part of something.

    1. The nuclear family includes parents and their children. [ ] [ ]
    2. The debate focused on the nuclear issues surrounding environmental policy changes. [ ] [ ]

Frequently Asked Questions

The word "nuclear" in English means: Relating to the nucleus of an atom or to the energy released in nuclear fission or fusion., Relating to weapons that use nuclear energy., Having a very important or powerful role..

The phonetic transcription of "nuclear" is /ˈnjuːkliər/ in British English and /ˈnuːkliər/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "nuclear": atomic, central, core, key.

Example usage of "nuclear": "The country decided to abandon its nuclear program.". More examples on the page.