Home/Vocab Vault/放射能放射能放射能ほうしゃのうradioactivityN1NounFreq. #3548casualMeanings1radioactivity2radiation3radioactive materialRelated WordsSame Kanji万能ばんのうall-purpose知能ちのうintelligence注射ちゅうしゃinjection不可能ふかのうimpossible芸能げいのうpublic entertainment技能ぎのうtechnical skill放れるはなれるto get free (from)Synonyms放射線ほうしゃせんradiationPractice 放射能 in JIVXReinforce this word with AI-graded sentence practice and spaced repetition.Start Practicing Free