- 1 using, producing or resulting from nuclear energy a nuclear power station the nuclear industry nuclear-powered submarines Wordfinderenergyenergy, fossil fuel, fracking, fuel, hydroelectric, nuclear, oil, power station, solar, wind farm See related entries: The power industry, Energy and physical forces
- 2 connected with weapons that use nuclear energy a nuclear weapon/bomb/missile a nuclear explosion/attack/war the country’s nuclear capability (= the fact that it has nuclear weapons) nuclear capacity (= the number of nuclear weapons a country has) See related entries: Energy and physical forces, Conflict
- 3(physics) of the nucleus (= central part) of an atom nuclear particles a nuclear reaction Wordfinderphysicsamplitude, atom, energy, fission, force, frequency, gravity, molecule, nuclear, physics See related entries: Energy and physical forces Word Originmid 19th cent.: from nucleus + -ar.
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BrE BrE//ˈnjuːkliə(r)//; NAmE NAmE//ˈnuːkliər//
[usually before noun] The power industry, Energy and physical forces, ConflictCheck pronunciation: nuclear