国こく際さい疼とう痛つう学がっ会かいMeaningsNoun1. International Association for the Study of Pain; IASPKanji used国country際edge疼ache痛pain学study会meetingComposed of国こく際さいinternationalNo-adjective疼とう痛つうthrobbing painNoun学がっ会かいlearned society; scientific society; academy; academic meeting; academic conferenceNoun