化か学がく兵へい器きTop 4000MeaningsNoun1. chemical weaponKanji used化transformation学study兵soldier器instrumentPitch accentかがくへいきComposed of化か学がくchemistryNoun兵へい器きarms; weapon; ordnanceNounUsed in vocabulary化か学がく兵へい器き禁きん止し条じょう約やくchemical weapons ban treatyNoun生せい物ぶつ化か学がく兵へい器きbiological and chemical weaponsNoun化か学がく兵へい器き禁きん止し機き関かんOrganization for the Prohibition of Chemical Weapons; OPCWNounExamples1条じょう約やくは化か学がく兵へい器きの使し用ようを禁きん止ししている。The treaty bans the use of chemical weapons.