生せい物ぶつ化か学がく兵へい器きせいぶつかがくへいきMeanings1nounbiological and chemical weaponsRefers collectively to both biological and chemical weapons, often in the context of disarmament or warfare.国こく際さい社しゃ会かいは生せい物ぶつ化か学がく兵へい器きの使し用ようを禁きん止