nuclear

 
Pronunciation: /ˈnjuːklɪə/

adjective

  • 1relating to the nucleus of an atom: nuclear chemistry
  • denoting, relating to, or powered by the energy released in nuclear fission or fusion: nuclear submarines
  • denoting, possessing, or involving weapons using nuclear energy: a nuclear bomb nuclear war
  • 2 Biology relating to the nucleus of a cell: nuclear DNA

Origin:

mid 19th century: from nucleus + -ar1