内ない部ぶ被ひ曝ばくMeaningsNoun1. internal exposure (to radiation)Other spellings内ない部ぶ被ひばくUsage share unknownKanji used内inside部section被be a target of曝exposureComposed of内ない部ぶinterior; inside; internalNoun被ひ曝ばくbeing exposed to radiation; radiation exposureNoun