核

possession of nuclear weapons

nuclear deterrence

nuclear nonproliferation

Genetics

karyotype

nuclear membrane

nuclear-weapon state

nuclear fuel reprocessing

nuclear allergy; antipathy shown by the Japanese to nuclear weapons

Botany

drupe; stone fruit

nuclear test

Nuclear Non-Proliferation Treaty; NPT

suspicion of having (or to be making) nuclear weapons

fissile material; fissionables

nuclear club

abandoning nuclear weapons, etc.; nuclear disposal

Biology

nucleoplasm; karyoplasm

nuclear proliferation

Biology

nucleolus

nuclear deterrent theory

nuclear development program; nuclear program

nuclear disaster

Biology

nucleolus

disintegration of a cell nucleus

nuclear defenses; nuclear defences