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Definition of nuclear adjective from the Oxford Advanced Learner's Dictionary

nuclear

adjective
 
/ˈnjuːkliə(r)/
 
/ˈnuːkliər/
[usually before noun]
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  1. using, producing or resulting from nuclear energy
    • a nuclear power plant/station
    • China and India only produce a very small percentage of their electricity from nuclear facilities.
    • the nuclear industry
    • nuclear-powered submarines
    • a nuclear reactor
    • nuclear waste/fuel
    Topics The environmentb1, Physics and chemistryb1
  2. connected with weapons that use nuclear energy
    • nuclear weapons/arms
    • a nuclear bomb/missile/warhead
    • a nuclear explosion/attack/war
    • the country’s nuclear capability (= the fact that it has nuclear weapons)
    • The country is developing a nuclear weapons program.
    • They aim to discourage the country from developing its nuclear weapons program further.
    • They argued in favour of keeping a nuclear deterrent (= nuclear weapons that are intended to stop an enemy from attacking).
    • The opponents are campaigning for nuclear disarmament.
    • Years of threats by the U.S. have done nothing to curb these states' nuclear ambitions (= attempts to develop nuclear weapons).
    • Russia's huge nuclear arsenal
    Topics War and conflictb1, Physics and chemistryb1
  3. (physics) of the nucleus (= central part) of an atom
    • nuclear particles
    • a nuclear reaction
    Topics Physics and chemistryc1
  4. Word Originmid 19th cent.: from nucleus + -ar.
See nuclear in the Oxford Advanced American DictionarySee nuclear in the Oxford Learner's Dictionary of Academic English
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