D defs.my
Entry 3 senses Webster, 1913

Nuclear

/n(y)o͞okliər/ · Nu·cle·ar · IPA /ˈn(j)u.kli.ɚ/
01 a. of, pertaining to, or using nuclear weapons; a nuclear exchange, i.e. a reciprocal bombardment by nuclear weapons..
  1. 1.
    of, pertaining to, or using nuclear weapons; a nuclear exchange, i.e. a reciprocal bombardment by nuclear weapons.. See: nuclear weapons
  2. 2.
    Of, pertaining to, or powered by atomic energy; same as nuclear-powered; as, a nuclear submarine; a nuclear power plant. See: nuclear-powered
  3. 3.
    Of or pertaining to nations possessing nuclear weapons; as, the nuclear club.