ほうしゃのうひょうしき 放射能標識 LinksSentence search for 放射能標識Sentence search for ほうしゃのうひょうしきKanji details for 放, 射, 能, 標 and 識Edit in JMdict Noun1. radiation warning sign; trefoil; radiation warning symbol Discussions Log in to talk about this word.