Nuclear

What does NUCLEAR mean?

1. adjective

   (weapons) deriving destructive energy from the release of atomic energy

   “nuclear war”

2. adjective

   of or relating to or constituting the nucleus of an atom

   “nuclear physics”

3. adjective

   of or relating to or constituting the nucleus of a cell

   “nuclear membrane”

4. adjective

   constituting or like a nucleus

   “annexation of the suburban fringe by the nuclear metropolis”

Definitions from WordNet 3.1, Princeton University.