an·ti·nu·cle·ar 
(ăn′tē-nklē-ər, -ny-, ăn′tī-)
(ăn′tē-nklē-ər, -ny-, ăn′tī-)adj.
1. Opposing the production or use of nuclear power or nuclear weaponry; antinuke.
2. Reacting with the components of a cell nucleus: antinuclear antibodies.