麻ま薬やく性せい鎮ちん痛つう薬やくまやくせいちんつうやくじ字FuriganaMeanings1nounnarcotic analgesicMedical term for a painkiller with narcotic properties, such as morphine or fentanyl. Used in clinical and pharmacological contexts.麻ま薬やく性せい鎮ちん痛つう薬やくは、がんの痛いたみの治ち療りょうに使つかわれること