Definitions of nuclear

1. constituting or like a nucleus; " annexation of the suburban fringe by the nuclear metropolis"; " the nuclear core of the congregation"

2. ( physics) of or relating to or constituting the nucleus of an atom; " nuclear physics"; " nuclear fission"; " nuclear forces"

3. of or relating to or constituting the nucleus of a cell; " nuclear membrane"; " nuclear division"

4. Of or pertaining to a nucleus; as, the nuclear spindle ( see Illust. of Karyokinesis) or the nuclear fibrils of a cell; the nuclear part of a comet, etc.

5. Pert. to or connected with a nucleus.

6. The nucleus.