化か学がく兵へい器き禁きん止し条じょう約やくMeaningsNoun1. chemical weapons ban treatyKanji used化transformation学study兵soldier器instrument禁prohibit止stop条clause約promiseComposed of化か学がく兵へい器きchemical weaponNoun禁きん止しprohibition; inhibition; banNoun条じょう約やくtreaty; pact; convention; agreementNoun