れんさはんのう 連鎖反応 LinksSentence search for 連鎖反応Sentence search for れんさはんのうKanji details for 連, 鎖, 反 and 応Edit in JMdict Noun1. chain reactionYojijukugo (four character compound)Noun2. nuclear chain reactionYojijukugo (four character compound) Discussions Log in to talk about this word.