特とく定てい危き険けん部ぶ位いMeaningsNoun1. specified risk material; SRMKanji used特special定define危dangerous険risky and steep部section位rankComposed of特とく定ていspecific; particular; designated; special; specifying; designating; identifying; pinpointingNo-adjective危き険けんdanger; peril; hazard; riskNoun部ぶ位いpart (esp. of the body); region; site; cut (of meat)Noun