nuclear

nuclear (http://definr.com/nuclear)

     adj 1: weapons using atomic energy; "nuclear war"; "nuclear
            weapons"; "atomic bombs" [syn: atomic] [ant: conventional]
     2: (physics) of or relating to or constituting the nucleus of
        an atom; "nuclear physics"; "nuclear fission"; "nuclear
        forces"
     3: (biology) of or relating to or constituting the nucleus of a
        cell; "nuclear membrane"; "nuclear division"
     4: constituting or like a nucleus; "annexation of the suburban
        fringe by the nuclear metropolis"; "the nuclear core of
        the congregation"