鎮ちん痛つう性せいちんつうせいMeanings1na-adjectiveanalgesic; pain-relievingMedical term used to describe drugs, treatments, or effects that relieve pain. Often appears in compound nouns like 鎮痛性薬剤 (analgesic agent).この薬くすりには鎮ちん痛つう性せいの成せい分ぶんが含ふく