noun
non-nuclear-weapon state
A country that does not possess nuclear weapons, often used in the context of international treaties and disarmament discussions. Contrasts with 核兵器国 (nuclear-weapon state).
See also: 核兵器国
日本は非核兵器国として核軍縮を推進している。
Japan, as a non-nuclear-weapon state, promotes nuclear disarmament.
核兵器国 means 'nuclear-weapon state', the opposite of 非核兵器国.
Compound of 非 (hi-, 'non-'), 核兵器 (kakuheiki, 'nuclear weapon'), and 国 (koku, 'country').