ほうしゃせいほうかいけいれつ 放射性崩壊系列 LinksSentence search for 放射性崩壊系列Sentence search for ほうしゃせいほうかいけいれつKanji details for 放, 射, 性, 崩, 壊, 系 and 列Edit in JMdict Noun1. radioactive decay seriesPhysics, See also 崩壊系列 Discussions Log in to talk about this word.