戦せん術じゅつ核かく兵へい器きせんじゅつかくへいきMeanings1nountactical nuclear weaponMilitary term for a nuclear weapon designed for use on the battlefield, as opposed to strategic nuclear weapons.戦せん術じゅつ核かく兵へい器きの使し用ようは国こく際さい的てきな議ぎ論ろんを呼